diff --git a/ui/components/app/account-menu/index.scss b/ui/components/app/account-menu/index.scss
index 41a4453be..5b7bda389 100644
--- a/ui/components/app/account-menu/index.scss
+++ b/ui/components/app/account-menu/index.scss
@@ -9,11 +9,11 @@
   min-width: 150px;
   color: $white;
 
-  @media screen and (max-width: 575px) {
+  @media screen and (max-width: $break-small) {
     right: calc(((100vw - 100%) / 2) + 8px);
   }
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     right: calc((100vw - 85vw) / 2);
   }
 
@@ -33,7 +33,7 @@
     position: relative;
     z-index: 201;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       padding: 14px;
     }
 
@@ -133,7 +133,7 @@
       display: none;
     }
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       max-height: 228px;
     }
 
@@ -168,7 +168,7 @@
     padding: 16px 14px;
     flex: 0 0 auto;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       padding: 12px 14px;
     }
 
diff --git a/ui/components/app/app-header/index.scss b/ui/components/app/app-header/index.scss
index 9c4bff3b5..ab706635e 100644
--- a/ui/components/app/app-header/index.scss
+++ b/ui/components/app/app-header/index.scss
@@ -8,12 +8,12 @@
   width: 100%;
   flex: 0 0 auto;
 
-  @media screen and (max-width: 575px) {
+  @media screen and (max-width: $break-small) {
     padding: 1rem;
     z-index: $mobile-header-z-index;
   }
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     height: 75px;
     justify-content: center;
 
@@ -50,11 +50,11 @@
     flex-flow: row nowrap;
     width: 100%;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       height: 100%;
     }
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       width: 85vw;
     }
 
diff --git a/ui/components/app/asset-list-item/asset-list-item.scss b/ui/components/app/asset-list-item/asset-list-item.scss
index f46fe7928..138d0566d 100644
--- a/ui/components/app/asset-list-item/asset-list-item.scss
+++ b/ui/components/app/asset-list-item/asset-list-item.scss
@@ -57,7 +57,7 @@
     padding-bottom: 0;
   }
 
-  @media (min-width: 576px) {
+  @media (min-width: $break-large) {
     &__warning-tooltip {
       display: none;
     }
diff --git a/ui/components/app/edit-gas-popover/index.scss b/ui/components/app/edit-gas-popover/index.scss
index c34c68fb7..a3fe4b5d9 100644
--- a/ui/components/app/edit-gas-popover/index.scss
+++ b/ui/components/app/edit-gas-popover/index.scss
@@ -1,6 +1,6 @@
 .edit-gas-popover {
   &__wrapper {
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       max-height: 84vh;
     }
   }
diff --git a/ui/components/app/gas-customization/advanced-gas-inputs/index.scss b/ui/components/app/gas-customization/advanced-gas-inputs/index.scss
index 1a747dcb4..fbb1a35ad 100644
--- a/ui/components/app/gas-customization/advanced-gas-inputs/index.scss
+++ b/ui/components/app/gas-customization/advanced-gas-inputs/index.scss
@@ -18,7 +18,7 @@
       justify-content: space-between;
       align-items: center;
 
-      @media screen and (max-width: 576px) {
+      @media screen and (max-width: $break-small) {
         @include H8;
       }
 
diff --git a/ui/components/app/gas-customization/gas-price-button-group/index.scss b/ui/components/app/gas-customization/gas-price-button-group/index.scss
index 06d59e74f..6c321da6d 100644
--- a/ui/components/app/gas-customization/gas-price-button-group/index.scss
+++ b/ui/components/app/gas-customization/gas-price-button-group/index.scss
@@ -93,7 +93,7 @@
 
     padding-bottom: 2px;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       @include H8;
     }
   }
@@ -103,7 +103,7 @@
 
     padding-bottom: 2px;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       @include H8;
     }
   }
diff --git a/ui/components/app/home-notification/index.scss b/ui/components/app/home-notification/index.scss
index 38173145b..8d522a0e4 100644
--- a/ui/components/app/home-notification/index.scss
+++ b/ui/components/app/home-notification/index.scss
@@ -8,7 +8,7 @@
   min-height: 116px;
   padding: 16px;
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     min-width: 472px;
   }
 
@@ -44,7 +44,7 @@
     flex-direction: row;
     align-items: center;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       width: 160px;
     }
   }
@@ -78,7 +78,7 @@
     width: 155px;
     padding: 0;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       width: 135px;
     }
 
@@ -103,7 +103,7 @@
     padding: 0;
     margin-left: 4px;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       width: 135px;
     }
 
diff --git a/ui/components/app/modal/index.scss b/ui/components/app/modal/index.scss
index ec67d15fd..318608b68 100644
--- a/ui/components/app/modal/index.scss
+++ b/ui/components/app/modal/index.scss
@@ -8,7 +8,7 @@
   flex-flow: column;
   border-radius: 8px;
 
-  @media screen and (max-width: 575px) {
+  @media screen and (max-width: $break-small) {
     max-height: 450px;
   }
 
@@ -17,7 +17,7 @@
     flex: 1;
     padding: 16px 32px;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       justify-content: center;
       padding: 28px 20px;
     }
diff --git a/ui/components/app/modals/confirm-remove-account/index.scss b/ui/components/app/modals/confirm-remove-account/index.scss
index 16f0bfcf3..e30673843 100644
--- a/ui/components/app/modals/confirm-remove-account/index.scss
+++ b/ui/components/app/modals/confirm-remove-account/index.scss
@@ -48,7 +48,7 @@
       }
     }
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       &__name {
         width: 90px;
       }
diff --git a/ui/components/app/modals/deposit-ether-modal/index.scss b/ui/components/app/modals/deposit-ether-modal/index.scss
index 7db6e0eb7..4ad57c9af 100644
--- a/ui/components/app/modals/deposit-ether-modal/index.scss
+++ b/ui/components/app/modals/deposit-ether-modal/index.scss
@@ -46,7 +46,7 @@
     flex: 1;
     align-items: center;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       height: 0;
     }
   }
@@ -71,7 +71,7 @@
     padding: 30px 0 20px;
     min-height: 170px;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       min-height: 270px;
       flex-flow: column;
       justify-content: flex-start;
@@ -89,11 +89,11 @@
       flex: 0 0 auto;
       padding: 0 20px;
 
-      @media screen and (min-width: 576px) {
+      @media screen and (min-width: $break-large) {
         width: 12rem;
       }
 
-      @media screen and (max-width: 575px) {
+      @media screen and (max-width: $break-small) {
         width: 100%;
         max-height: 6rem;
         padding-bottom: 20px;
@@ -109,7 +109,7 @@
       padding-bottom: 20px;
       align-self: flex-start;
 
-      @media screen and (min-width: 575px) {
+      @media screen and (min-width: $break-large) {
         width: 15rem;
       }
 
@@ -128,7 +128,7 @@
       display: flex;
       justify-content: flex-end;
 
-      @media screen and (min-width: 575px) {
+      @media screen and (min-width: $break-large) {
         min-width: 300px;
       }
     }
diff --git a/ui/components/app/modals/metametrics-opt-in-modal/index.scss b/ui/components/app/modals/metametrics-opt-in-modal/index.scss
index 08dc6cc15..cabba027a 100644
--- a/ui/components/app/modals/metametrics-opt-in-modal/index.scss
+++ b/ui/components/app/modals/metametrics-opt-in-modal/index.scss
@@ -5,7 +5,7 @@
     margin-right: 0%;
     max-height: 75vh;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       max-height: 100vh;
     }
   }
@@ -20,7 +20,7 @@
   }
 
   .metametrics-opt-in__footer {
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       margin-top: 10px;
       justify-content: center;
       margin-left: 2%;
diff --git a/ui/components/app/multiple-notifications/index.scss b/ui/components/app/multiple-notifications/index.scss
index 01d3af889..2427f7cbe 100644
--- a/ui/components/app/multiple-notifications/index.scss
+++ b/ui/components/app/multiple-notifications/index.scss
@@ -8,7 +8,7 @@
   right: 0;
   margin: 8px;
 
-  @media screen and (max-width: 576px) {
+  @media screen and (max-width: $break-small) {
     width: 340px;
   }
 
diff --git a/ui/components/app/permission-page-container/index.scss b/ui/components/app/permission-page-container/index.scss
index 60e2e3e3b..ffd703e8e 100644
--- a/ui/components/app/permission-page-container/index.scss
+++ b/ui/components/app/permission-page-container/index.scss
@@ -10,7 +10,7 @@
     justify-content: space-between;
   }
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     width: 426px;
     flex: 1;
 
@@ -101,7 +101,7 @@
     align-items: center;
     margin-top: 12px;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       border-top: none;
     }
 
@@ -115,7 +115,7 @@
     }
   }
 
-  @media screen and (max-width: 575px) {
+  @media screen and (max-width: $break-small) {
     &__title {
       position: initial;
     }
diff --git a/ui/components/app/signature-request/index.scss b/ui/components/app/signature-request/index.scss
index f4df222a1..de89e8116 100644
--- a/ui/components/app/signature-request/index.scss
+++ b/ui/components/app/signature-request/index.scss
@@ -8,7 +8,7 @@
   flex-direction: column;
   min-width: 0;
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     flex: initial;
   }
 }
diff --git a/ui/components/app/signature-request/signature-request-message/index.scss b/ui/components/app/signature-request/signature-request-message/index.scss
index 9b03134c7..3652addd1 100644
--- a/ui/components/app/signature-request/signature-request-message/index.scss
+++ b/ui/components/app/signature-request/signature-request-message/index.scss
@@ -30,7 +30,7 @@
     padding-left: 12px;
     padding-right: 12px;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       width: auto;
     }
   }
diff --git a/ui/components/app/tab-bar/index.scss b/ui/components/app/tab-bar/index.scss
index 1e20d1fed..c6bac6edc 100644
--- a/ui/components/app/tab-bar/index.scss
+++ b/ui/components/app/tab-bar/index.scss
@@ -19,7 +19,7 @@
     background-color: unset;
     text-align: start;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       &:hover {
         opacity: 0.4;
       }
@@ -29,7 +29,7 @@
       }
     }
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       @include H4;
 
       padding: 24px;
@@ -44,7 +44,7 @@
       &__description {
         display: none;
 
-        @media screen and (max-width: 575px) {
+        @media screen and (max-width: $break-small) {
           @include H6;
 
           display: block;
@@ -58,7 +58,7 @@
     &__caret {
       display: none;
 
-      @media screen and (max-width: 575px) {
+      @media screen and (max-width: $break-small) {
         display: block;
         background-image: url('/images/caret-right.svg');
         width: 36px;
diff --git a/ui/components/app/whats-new-popup/index.scss b/ui/components/app/whats-new-popup/index.scss
index c00568ab2..6f8a2100a 100644
--- a/ui/components/app/whats-new-popup/index.scss
+++ b/ui/components/app/whats-new-popup/index.scss
@@ -76,12 +76,12 @@
 }
 
 .popover-wrap.whats-new-popup__popover {
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     max-height: 600px;
     width: 500px;
   }
 
-  @media screen and (max-width: 575px) {
+  @media screen and (max-width: $break-small) {
     max-height: 568px;
   }
 }
diff --git a/ui/components/ui/list-item/index.scss b/ui/components/ui/list-item/index.scss
index dc58b90b5..ae2a04b80 100644
--- a/ui/components/ui/list-item/index.scss
+++ b/ui/components/ui/list-item/index.scss
@@ -97,13 +97,13 @@
     white-space: nowrap;
   }
 
-  @media (max-width: 575px) {
+  @media (max-width: $break-small) {
     &__mid-content {
       display: none;
     }
   }
 
-  @media (min-width: 576px) {
+  @media (min-width: $break-large) {
     grid-template-areas:
       'icon head     head     head     head     mid mid mid mid right right right'
       'icon sub      sub      sub      sub      mid mid mid mid right right right'
@@ -115,7 +115,7 @@
   grid-template-areas: 'icon head     head     head     head     head     head     head     right right right right';
   align-items: center;
 
-  @media (min-width: 576px) {
+  @media (min-width: $break-large) {
     grid-template-areas: 'icon head     head     head     head     mid mid mid mid right right right';
   }
 }
diff --git a/ui/components/ui/page-container/index.scss b/ui/components/ui/page-container/index.scss
index df4f9067a..27ce13d5f 100644
--- a/ui/components/ui/page-container/index.scss
+++ b/ui/components/ui/page-container/index.scss
@@ -184,7 +184,7 @@
   }
 }
 
-@media screen and (max-width: 575px) {
+@media screen and (max-width: $break-small) {
   .page-container {
     height: 100%;
     width: 100%;
@@ -195,7 +195,7 @@
   }
 }
 
-@media screen and (min-width: 576px) {
+@media screen and (min-width: $break-large) {
   .page-container {
     max-height: 82vh;
     min-height: 570px;
diff --git a/ui/css/itcss/components/network.scss b/ui/css/itcss/components/network.scss
index 043626ff8..31137ac43 100644
--- a/ui/css/itcss/components/network.scss
+++ b/ui/css/itcss/components/network.scss
@@ -57,7 +57,7 @@
     margin: 0 14px;
   }
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     right: calc(((100% - 85vw) / 2) + 2px);
   }
 
diff --git a/ui/css/itcss/components/newui-sections.scss b/ui/css/itcss/components/newui-sections.scss
index 51f485600..398651cc7 100644
--- a/ui/css/itcss/components/newui-sections.scss
+++ b/ui/css/itcss/components/newui-sections.scss
@@ -50,7 +50,7 @@ $sub-mid-size-breakpoint-range: "screen and (min-width: #{$break-large}) and (ma
 
 // main-container media queries
 
-@media screen and (min-width: 576px) {
+@media screen and (min-width: $break-large) {
   .lap-visible {
     display: flex;
   }
@@ -83,7 +83,7 @@ $sub-mid-size-breakpoint-range: "screen and (min-width: #{$break-large}) and (ma
   }
 }
 
-@media screen and (max-width: 575px) {
+@media screen and (max-width: $break-small) {
   .lap-visible {
     display: none;
   }
@@ -117,11 +117,11 @@ $sub-mid-size-breakpoint-range: "screen and (min-width: #{$break-large}) and (ma
   flex-direction: row-reverse;
   justify-content: space-between;
 
-  @media screen and (max-width: 575px) {
+  @media screen and (max-width: $break-small) {
     height: 100%;
   }
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     width: 85vw;
   }
 
diff --git a/ui/helpers/utils/is-mobile-view.js b/ui/helpers/utils/is-mobile-view.js
index 310d49d6e..55bbba0ba 100644
--- a/ui/helpers/utils/is-mobile-view.js
+++ b/ui/helpers/utils/is-mobile-view.js
@@ -1,6 +1,6 @@
 // Checks if viewport at invoke time fits mobile dimensions
 // isMobileView :: () => Bool
 const isMobileView = () =>
-  window.matchMedia('screen and (max-width: 575px)').matches;
+  window.matchMedia('screen and (max-width: $break-small)').matches;
 
 export default isMobileView;
diff --git a/ui/pages/create-account/index.scss b/ui/pages/create-account/index.scss
index fa55a3efa..d01604002 100644
--- a/ui/pages/create-account/index.scss
+++ b/ui/pages/create-account/index.scss
@@ -14,7 +14,7 @@
     display: none;
   }
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     position: absolute;
   }
 
diff --git a/ui/pages/first-time-flow/metametrics-opt-in/index.scss b/ui/pages/first-time-flow/metametrics-opt-in/index.scss
index 90b437831..69695129b 100644
--- a/ui/pages/first-time-flow/metametrics-opt-in/index.scss
+++ b/ui/pages/first-time-flow/metametrics-opt-in/index.scss
@@ -13,7 +13,7 @@
     margin-right: 28%;
     color: black;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       justify-content: center;
       margin-left: 2%;
       margin-right: 0%;
@@ -103,7 +103,7 @@
   &__footer {
     margin-top: 26px;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       margin-top: 10px;
       justify-content: center;
       margin-left: 2%;
diff --git a/ui/pages/first-time-flow/seed-phrase/confirm-seed-phrase/index.scss b/ui/pages/first-time-flow/seed-phrase/confirm-seed-phrase/index.scss
index 92c6fa9f0..a1c7bbc8d 100644
--- a/ui/pages/first-time-flow/seed-phrase/confirm-seed-phrase/index.scss
+++ b/ui/pages/first-time-flow/seed-phrase/confirm-seed-phrase/index.scss
@@ -4,7 +4,7 @@
   }
 
   &__sorted-seed-words {
-    max-width: 575px;
+    max-width: $break-small;
   }
 
   &__seed-word {
@@ -57,7 +57,7 @@
       color: transparent;
     }
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       @include H6;
 
       padding: 6px 18px;
@@ -70,7 +70,7 @@
     display: flex;
     flex-flow: row wrap;
     min-height: 161px;
-    max-width: 575px;
+    max-width: $break-small;
     border: 1px solid #cdcdcd;
     border-radius: 6px;
     background-color: $white;
diff --git a/ui/pages/first-time-flow/seed-phrase/reveal-seed-phrase/index.scss b/ui/pages/first-time-flow/seed-phrase/reveal-seed-phrase/index.scss
index 0af006dab..e6d217de4 100644
--- a/ui/pages/first-time-flow/seed-phrase/reveal-seed-phrase/index.scss
+++ b/ui/pages/first-time-flow/seed-phrase/reveal-seed-phrase/index.scss
@@ -1,5 +1,5 @@
 .reveal-seed-phrase {
-  @media screen and (max-width: 576px) {
+  @media screen and (max-width: $break-small) {
     display: flex;
     flex-direction: column;
     width: 96%;
diff --git a/ui/pages/first-time-flow/welcome/index.scss b/ui/pages/first-time-flow/welcome/index.scss
index fdb190d12..947ff29a9 100644
--- a/ui/pages/first-time-flow/welcome/index.scss
+++ b/ui/pages/first-time-flow/welcome/index.scss
@@ -38,7 +38,7 @@
       color: $primary-1;
     }
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       font-size: 0.9rem;
     }
   }
diff --git a/ui/pages/import-token/token-list/token-list-placeholder/index.scss b/ui/pages/import-token/token-list/token-list-placeholder/index.scss
index bbc1e8304..f2eecb446 100644
--- a/ui/pages/import-token/token-list/token-list-placeholder/index.scss
+++ b/ui/pages/import-token/token-list/token-list-placeholder/index.scss
@@ -16,7 +16,7 @@
     margin-top: 8px;
     opacity: 0.5;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       width: 60%;
     }
   }
diff --git a/ui/pages/keychains/index.scss b/ui/pages/keychains/index.scss
index 263a1073c..a38d6a5ab 100644
--- a/ui/pages/keychains/index.scss
+++ b/ui/pages/keychains/index.scss
@@ -33,7 +33,7 @@
   }
 }
 
-@media only screen and (max-width: 575px) {
+@media only screen and (max-width: $break-small) {
   .import-account {
     margin: 24px;
     display: flex;
@@ -68,7 +68,7 @@
   }
 }
 
-@media only screen and (max-width: 575px) {
+@media only screen and (max-width: $break-small) {
   .import-account__input {
     width: 100%;
   }
diff --git a/ui/pages/permissions-connect/choose-account/index.scss b/ui/pages/permissions-connect/choose-account/index.scss
index bb4b05a42..d02f5136b 100644
--- a/ui/pages/permissions-connect/choose-account/index.scss
+++ b/ui/pages/permissions-connect/choose-account/index.scss
@@ -18,7 +18,7 @@
     color: $Grey-300;
   }
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     width: 426px;
   }
 
@@ -155,7 +155,7 @@
     flex-direction: column;
     justify-content: flex-end;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       flex-direction: column-reverse;
       justify-content: space-between;
       padding-bottom: 20px;
@@ -171,7 +171,7 @@
     margin-top: 8px;
     border-top: 1px solid #d6d9dc;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       border-top: none;
     }
 
diff --git a/ui/pages/permissions-connect/index.scss b/ui/pages/permissions-connect/index.scss
index dd0bc7548..197764b8e 100644
--- a/ui/pages/permissions-connect/index.scss
+++ b/ui/pages/permissions-connect/index.scss
@@ -9,7 +9,7 @@
   display: flex;
   flex-direction: column;
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     .page-container {
       max-height: none;
       min-height: auto;
diff --git a/ui/pages/settings/contact-list-tab/index.scss b/ui/pages/settings/contact-list-tab/index.scss
index 47bf10fd7..4084afa0f 100644
--- a/ui/pages/settings/contact-list-tab/index.scss
+++ b/ui/pages/settings/contact-list-tab/index.scss
@@ -7,7 +7,7 @@
 .address-book {
   flex: 0.4 1 100%;
 
-  @media screen and (max-width: 576px) {
+  @media screen and (max-width: $break-small) {
     flex: 1;
     max-width: 100%;
 
@@ -259,7 +259,7 @@
     width: auto;
     border-radius: 100px;
 
-    @media screen and (max-width: 576px) {
+    @media screen and (max-width: $break-small) {
       top: 16px;
       right: 60px;
 
@@ -277,7 +277,7 @@
 .address-book-contact-content {
   flex: 0.4 1 100%;
 
-  @media screen and (max-width: 576px) {
+  @media screen and (max-width: $break-small) {
     flex: 1;
   }
 }
diff --git a/ui/pages/settings/index.scss b/ui/pages/settings/index.scss
index 81afa797d..f0df002be 100644
--- a/ui/pages/settings/index.scss
+++ b/ui/pages/settings/index.scss
@@ -43,7 +43,7 @@
     display: flex;
     flex-flow: row nowrap;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       display: none;
     }
   }
@@ -70,7 +70,7 @@
     align-items: center;
     padding: 16px 0;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       height: 69px;
       position: relative;
       text-align: center;
@@ -80,7 +80,7 @@
   &__sub-header-text {
     @include H4;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       @include H5;
 
       width: 100%;
@@ -90,7 +90,7 @@
   &__back-button {
     display: none;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       display: block;
       background-image: url('/images/caret-left-black.svg');
       width: 18px;
@@ -127,14 +127,14 @@
       flex-direction: column;
       flex: 1 1 auto;
 
-      @media screen and (min-width: 576px) {
+      @media screen and (min-width: $break-large) {
         flex: 0 0 40%;
         max-width: 210px;
         padding-top: 8px;
       }
 
       .tab-bar__tab {
-        @media screen and (min-width: 576px) {
+        @media screen and (min-width: $break-large) {
           padding: 16px 24px 0;
         }
       }
@@ -146,7 +146,7 @@
       display: flex;
       flex-flow: column;
 
-      @media screen and (max-width: 575px) {
+      @media screen and (max-width: $break-small) {
         display: none;
       }
     }
@@ -155,7 +155,7 @@
   &__body {
     padding: 12px 24px;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       padding: 12px;
     }
   }
@@ -173,7 +173,7 @@
     flex-direction: column;
     margin-bottom: 20px;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       height: initial;
       padding: 5px 0;
     }
@@ -204,7 +204,7 @@
     display: flex;
     flex-direction: column;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       max-width: 100%;
       width: 100%;
     }
@@ -233,13 +233,13 @@
     .settings-page {
       &__content {
         &__tabs {
-          @media screen and (max-width: 575px) {
+          @media screen and (max-width: $break-small) {
             display: none;
           }
         }
 
         &__modules {
-          @media screen and (max-width: 575px) {
+          @media screen and (max-width: $break-small) {
             display: block;
           }
         }
diff --git a/ui/pages/settings/info-tab/index.scss b/ui/pages/settings/info-tab/index.scss
index 41187cc37..4604a5bc4 100644
--- a/ui/pages/settings/info-tab/index.scss
+++ b/ui/pages/settings/info-tab/index.scss
@@ -19,7 +19,7 @@
   &__link-header {
     padding-bottom: 15px;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       padding-bottom: 5px;
     }
   }
@@ -32,7 +32,7 @@
   &__link-item {
     padding: 15px 0;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       padding: 5px 0;
     }
   }
diff --git a/ui/pages/settings/networks-tab/index.scss b/ui/pages/settings/networks-tab/index.scss
index 93402cb67..40a182264 100644
--- a/ui/pages/settings/networks-tab/index.scss
+++ b/ui/pages/settings/networks-tab/index.scss
@@ -6,7 +6,7 @@
     max-width: 739px;
     justify-content: space-between;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       margin-top: 0;
       flex-direction: column;
       overflow-x: hidden;
@@ -20,7 +20,7 @@
     display: flex;
     flex-direction: column;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       padding: 0;
     }
   }
@@ -36,7 +36,7 @@
     .page-container__footer {
       border-top: none;
 
-      @media screen and (max-width: 575px) {
+      @media screen and (max-width: $break-small) {
         width: 93%;
       }
 
@@ -45,7 +45,7 @@
       }
     }
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       display: flex;
       flex: auto;
       max-width: 100%;
@@ -57,7 +57,7 @@
   }
 
   &__network-form-row {
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       width: 93%;
     }
 
@@ -71,7 +71,7 @@
       padding: 12px;
       margin: 12px 0;
 
-      @media screen and (max-width: 575px) {
+      @media screen and (max-width: $break-small) {
         width: 93%;
       }
     }
@@ -98,7 +98,7 @@
     flex: 0.5 0 auto;
     max-width: 343px;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       flex: 1;
       overflow-y: auto;
       max-width: 100vw;
@@ -127,13 +127,13 @@
       padding: 10px;
     }
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       display: none;
     }
   }
 
   &__networks-list--selection {
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       display: none;
     }
   }
@@ -149,12 +149,12 @@
         cursor: pointer;
       }
 
-      @media screen and (max-width: 575px) {
+      @media screen and (max-width: $break-small) {
         margin: 0 4px 0 10px;
       }
     }
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       padding: 20px 23px 21px 17px;
       border-bottom: 1px solid #d8d8d8;
       max-width: 351px;
@@ -162,7 +162,7 @@
   }
 
   &__networks-list-item:last-of-type {
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       border-bottom: none;
     }
   }
@@ -190,7 +190,7 @@
   &__networks-list-arrow {
     display: none;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       display: block;
       background-image: url('/images/caret-right.svg');
       width: 24px;
@@ -228,7 +228,7 @@
     flex-flow: row nowrap;
     padding: 0.75rem 0;
 
-    @media screen and (max-width: 575px) {
+    @media screen and (max-width: $break-small) {
       width: 93%;
     }
 
diff --git a/ui/pages/swaps/build-quote/index.scss b/ui/pages/swaps/build-quote/index.scss
index fbdff0def..4a7634cd0 100644
--- a/ui/pages/swaps/build-quote/index.scss
+++ b/ui/pages/swaps/build-quote/index.scss
@@ -133,7 +133,7 @@
   &__open-to-dropdown {
     max-height: 194px;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       max-height: 276px;
     }
   }
diff --git a/ui/pages/swaps/countdown-timer/index.scss b/ui/pages/swaps/countdown-timer/index.scss
index 15ad6e7ba..f7ae64368 100644
--- a/ui/pages/swaps/countdown-timer/index.scss
+++ b/ui/pages/swaps/countdown-timer/index.scss
@@ -5,7 +5,7 @@
   display: flex;
   justify-content: center;
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     margin: 0;
   }
 
diff --git a/ui/pages/swaps/index.scss b/ui/pages/swaps/index.scss
index 406f885d3..af280f00f 100644
--- a/ui/pages/swaps/index.scss
+++ b/ui/pages/swaps/index.scss
@@ -20,7 +20,7 @@
   justify-content: center;
   width: 100%;
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     z-index: 12;
   }
 
@@ -33,7 +33,7 @@
     overflow-x: hidden;
     overflow-y: auto;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       width: 460px;
       background: white;
       border: 1px solid $Grey-100;
@@ -51,13 +51,13 @@
     width: 100%;
     height: 100%;
 
-    @media screen and (max-width: 576px) {
+    @media screen and (max-width: $break-small) {
       &--overflow {
         overflow: scroll;
       }
     }
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       width: 348px;
     }
   }
@@ -81,7 +81,7 @@
     width: 100%;
     position: relative;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       padding-top: 8px;
       padding-bottom: 8px;
       height: 66px;
diff --git a/ui/pages/swaps/select-quote-popover/index.scss b/ui/pages/swaps/select-quote-popover/index.scss
index 3786fe9cf..ad305a3f8 100644
--- a/ui/pages/swaps/select-quote-popover/index.scss
+++ b/ui/pages/swaps/select-quote-popover/index.scss
@@ -10,7 +10,7 @@
   &__popover-wrap {
     height: 100%;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       height: 620px;
       width: 348px;
     }
@@ -32,7 +32,7 @@
     background: $Grey-100;
     opacity: 1;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       opacity: 0.5;
     }
   }
diff --git a/ui/pages/swaps/swaps-footer/index.scss b/ui/pages/swaps/swaps-footer/index.scss
index 411dd59b1..c36110196 100644
--- a/ui/pages/swaps/swaps-footer/index.scss
+++ b/ui/pages/swaps/swaps-footer/index.scss
@@ -9,7 +9,7 @@
   }
 
 
-  @media screen and (max-width: 576px) {
+  @media screen and (max-width: $break-small) {
     &--border {
       .swaps-footer__custom-page-container-footer-class {
         border-top: 1px solid #d2d8dd;
@@ -20,7 +20,7 @@
   &__custom-page-container-footer-class {
     border-top: none;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       height: 96px;
     }
   }
@@ -44,13 +44,13 @@
     display: flex;
     justify-content: center;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       margin-top: 0;
     }
   }
 
   &__buttons {
-    @media screen and (max-width: 576px) {
+    @media screen and (max-width: $break-small) {
       &--border {
         .swaps-footer__custom-page-container-footer-class {
           border-top: 1px solid #d2d8dd;
diff --git a/ui/pages/swaps/view-quote/index.scss b/ui/pages/swaps/view-quote/index.scss
index 3e2e421bc..31437dbe9 100644
--- a/ui/pages/swaps/view-quote/index.scss
+++ b/ui/pages/swaps/view-quote/index.scss
@@ -20,13 +20,13 @@
       pointer-events: none;
     }
 
-    @media screen and (max-width: 576px) {
+    @media screen and (max-width: $break-small) {
       overflow-y: auto;
       max-height: 420px;
     }
   }
 
-  @media screen and (min-width: 576px) {
+  @media screen and (min-width: $break-large) {
     width: 348px;
   }
 
@@ -68,7 +68,7 @@
     background: linear-gradient(90deg, $Blue-500 0%, $Blue-400 101.32%);
 
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       @include H6;
 
       margin-bottom: 0;
@@ -171,7 +171,7 @@
     margin-top: 8px;
     margin-bottom: 28px;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       &--thin {
         min-height: 36px;
       }
@@ -201,7 +201,7 @@
     max-width: 311px;
     margin-bottom: 8px;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       margin-bottom: 0;
     }
   }
@@ -223,7 +223,7 @@
   &__thin-swaps-footer {
     max-height: 82px;
 
-    @media screen and (min-width: 576px) {
+    @media screen and (min-width: $break-large) {
       height: 72px;
     }
   }