metamask-extension/ui/app/pages/home/index.scss

.home {
  &__container {
    display: flex;
    flex: 1 1 auto;
  }

  &__main-view {
    flex: 1 1 66.5%;
    background: $white;
    min-width: 0;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
  }

  &__balance-wrapper {
    @media screen and (max-width: $break-small) {
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      align-items: center;
      flex: 0 0 auto;
      padding-top: 16px;
    }

    @media screen and (min-width: $break-large) {
      display: flex;
      flex-direction: row;
      justify-content: flex-start;
      align-items: center;
      margin: 2.3em 2.37em .8em;
      flex: 0 0 auto;
    }
  }
}