blockscout/apps/block_scout_web/assets/css/components/_icon-link.scss

.icon-links {
  display: flex;
  flex-direction: row;
  align-items: center;

  .icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    margin: 0 .25rem;
    color: $text-muted;
    background-color: $gray-200;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.1s ease;

    &:hover {
      background-color: $primary;
      color: $white;
      text-decoration: none;
    }
  }

  &.icon-links-primary {

    .icon-link {
      color: $footer-text-color;
      background-color: rgba($white, 0.25);

      &:hover {
        background-color: $white;
        color: $primary;
      }
    }
  }
}