metamask-extension/ui/app/css/itcss/components/hero-balance.scss

$break-small: 575px;
$break-medium: 780px;
$break-large: 576px;

.hero-balance {
  @media screen and (max-width: $break-small) {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    margin: 0.3em 0.9em 0.8em 0.9em;
  }

  @media screen and (min-width: $break-large) {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    margin: 2.8em 0.9em 0.8em 0.9em;
  }

  .hero-balance-display {

    @media screen and (max-width: $break-small) {
      text-align: center;

      .token-amount {
        font-size: 175%;
        margin-top: 15%;
      }

      .fiat-amount {
        font-size: 115%;
        margin-top: 8.5%;
        color: #A0A0A0;
      }
    }

    @media screen and (min-width: $break-large) {
      flex-grow: 3;
      margin-left: 3%;
      justify-content: flex-start;
      align-items: flex-start;

      .token-amount {
        font-size: 135%;
      }

      .fiat-amount {
        margin-top: 0.25%;
        font-size: 105%;
      }

    }

  }

  .hero-balance-icon {
    border-radius: 25px;
    width: 45px;
    height: 45px;
    // TODO: colors
    border: 1px solid #DEDEDE; 
  }

  .hero-balance-buttons {
    @media screen and (max-width: $break-small) {
      width: 100%;
      height: 100px; // needed a round number to set the heights of the buttons inside
    }

    @media screen and (min-width: $break-large) {
      flex-grow: 2;
    }

    button.btn-clear {
      font-size: 75%;
      background: white;
      border: 1px solid;

      @media screen and (max-width: $break-small) {
        width: 22%;
        height: 55%;
      }

      @media screen and (min-width: $break-large) {
        width: 5%;
        flex-grow: 2;
        height: 4.2vh;
        min-height: 28px;
        font-size: .7em;
      }
    }

  }
}