metamask-extension/ui/app/css/itcss/components/newui-sections.scss

$sub-mid-size-breakpoint: 667px;
$sub-mid-size-breakpoint-range: "screen and (min-width: #{$break-large}) and (max-width: #{$sub-mid-size-breakpoint})";

/*
  NewUI Container Elements
 */

// Component Colors
$tx-view-bg: $white;
$wallet-view-bg: $alabaster;

// Main container
.main-container {
  // position: absolute;
  z-index: $main-container-z-index;
  font-family: Roboto;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
}

.main-container::-webkit-scrollbar {
  display: none;
}

//Account and transaction details
.account-and-transaction-details {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
}

// tx view

.tx-view {
  flex: 1 1 66.5%;
  background: $tx-view-bg;
  min-width: 0;

  // No title on mobile
  @media screen and (max-width: 575px) {
    .identicon-wrapper {
      display: none;
    }

    .account-name {
      display: none;
    }
  }
}

.open-in-browser {
  cursor: pointer;
  display: flex;
  justify-content: center;
  padding: 10px;
}

// wallet view and sidebar

.wallet-view {
  display: flex;
  flex-direction: column;
  flex: 32 1 32%;
  width: 0;
  background: $wallet-view-bg;
  z-index: 200;
  position: relative;

  @media screen and (min-width: 576px) {
    overflow-y: scroll;
    overflow-x: hidden;
  }

  @media #{$sub-mid-size-breakpoint-range} {
    min-width: 160px;
  }

  .wallet-view-account-details {
    flex: 0 0 auto;
  }

  &__name-container {
    flex: 0 0 auto;
    cursor: pointer;
    width: 100%;
  }

  &__keyring-label {
    height: 50px;
    color: $dusty-gray;
    font-family: Roboto;
    font-size: 10px;
    text-align: right;
    padding: 17px 20px 0;
    box-sizing: border-box;
  }

  &__details-button {
    font-size: 10px;
    border-radius: 17px;
    background-color: transparent;
    margin: 0 auto;
    padding: 4px 12px;
    flex: 0 0 auto;
  }

  &__tooltip {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
  }

  &__address {
    border-radius: 3px;
    background-color: $alto;
    color: $scorpion;
    font-size: 14px;
    line-height: 12px;
    padding: 4px 12px;
    cursor: pointer;
    flex: 0 0 auto;

    &__pressed {
      background-color: $manatee,
    }
  }

  &__sidebar-close {

    @media screen and (max-width: 575px) {
      &::after {
        content: '\00D7';
        font-size: 40px;
        color: $tundora;
        position: absolute;
        top: 12px;
        left: 12px;
        cursor: pointer;
      }
    }
  }

  &__add-token-button {
    flex: 0 0 auto;
    margin: 36px auto;
    background: none;
    transition: border-color .3s ease;
    width: 150px;

    &:hover {
      border-color: $curious-blue;
    }
  }
}

@media screen and (min-width: 576px) {
  .wallet-view::-webkit-scrollbar {
    display: none;
  }
}

.wallet-view-title-wrapper {
  flex: 0 0 25px;
}

.wallet-view-title {
  margin-left: 15px;
  font-size: 16px;

  // No title on mobile
  @media screen and (max-width: 575px) {
    display: none;
  }
}

.wallet-view.sidebar {
  flex: 1 0 230px;
  background: rgb(250, 250, 250);
  z-index: $sidebar-z-index;
  position: fixed;
  top: 66px;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 1;
  visibility: visible;
  will-change: transform;
  overflow-y: auto;
  box-shadow: rgba(0, 0, 0, .15) 2px 2px 4px;
  width: 85%;
  height: calc(100% - 56px);
}

.sidebar-overlay {
  z-index: $sidebar-overlay-z-index;
  position: fixed;
  // top: 41px;
  height: 100%;
  width: 100%;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 1;
  visibility: visible;
  background-color: rgba(0, 0, 0, .3);
}

// main-container media queries

@media screen and (min-width: 576px) {
  .lap-visible {
    display: flex;
  }

  .phone-visible {
    display: none;
  }

  .main-container {
    // margin-top: 6.9vh;
    width: 85vw;
    height: 90vh;
    box-shadow: 0 0 7px 0 rgba(0, 0, 0, .08);
  }
}

@media screen and (min-width: 769px) {
  .main-container {
    // margin-top: 6.9vh;
    width: 80vw;
    height: 82vh;
    box-shadow: 0 0 7px 0 rgba(0, 0, 0, .08);
  }
}

@media screen and (min-width: 1281px) {
  .main-container {
    // margin-top: 6.9vh;
    width: 62vw;
    height: 82vh;
    box-shadow: 0 0 7px 0 rgba(0, 0, 0, .08);
  }
}

@media screen and (max-width: 575px) {
  .lap-visible {
    display: none;
  }

  .phone-visible {
    display: flex;
  }

  .main-container {
    // margin-top: 41px;
    height: 100%;
    width: 100%;
    overflow-y: auto;
    background-color: $white;
  }
}

// wallet view
.account-name {
  font-size: 24px;
  color: $black;
  margin-top: 8px;
  margin-bottom: .9rem;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  width: 100%;
  padding: 0 8px;
  text-align: center;
}

// account options dropdown
.account-options-menu {
  align-items: center;
  justify-content: flex-start;
  margin: 5% 7% 0%;
}

.fiat-amount {
  text-transform: uppercase;
}

.token-balance__amount {
  padding: 0 6px;
}

// first time
.first-view-main {
  display: flex;
  flex-direction: row-reverse;
  justify-content: space-between;

  @media screen and (max-width: 575px) {
    height: 100%;
  }

  @media screen and (min-width: 576px) {
    width: 85vw;
  }

  @media screen and (min-width: 769px) {
    width: 80vw;
  }

  @media screen and (min-width: 1281px) {
    width: 62vw;
  }
}

.unlock-screen-container {
  z-index: $main-container-z-index;
  font-family: Roboto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1 0 auto;
  background: #f7f7f7;
  width: 100%;
}

.unlock-screen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  flex: 1 0 auto;
}

.first-view-main-wrapper {
  display: flex;
  width: 100%;
  height: 100%;
  justify-content: center;
  padding: 0 10px;
  background: white;
}