index.scss

$red: #ff2121;
$gray: #999;
.prices {
  display: flex;
  align-items: center;
  .current {
    margin-right: 14px;
    font-size: 15px;
    color: $red;
  }

  .origin {
    font-size: 11px;
    text-decoration: line-through;
    color: $gray;
  }

  .sign {
    font-size: 11px;
  }
}