Wallet/src/sass/components/amount.scss

.amount {
  .start,
  .middle,
  .end,
  .currency {
    display: inline-block;
  }

  .start {
    font-size: 1em;
  }

  .middle {
    font-size: 0.7857em;
    margin-left: 5px;
  }

  .end {
    font-size: 0.7857em;
    margin-left: 5px;
  }

  &.size-equal {
    .middle,
    .end {
      font-size: 1em;
    }
  }

  .currency {
    font-size: 1em;
    margin-left: 5px;
    text-transform: uppercase;
  }
}