spee.ch/client/scss/_share-buttons.scss

.share-buttons {
  display: flex;
  align-items: center;
  
  a {
    display: block;
    width: 30px;
    height: 30px;
    margin: 0 7px;
    border-radius: 100%;
    line-height: 30px;
    text-align: center;
    transition: all 0.2s ease;
    &.twitter {
      background:#4DC2FE;
      img {
        margin-top: 8px;
        margin-left: 2px;
      }
    }
    
    &.facebook {
      background: #5487DE;
      img {
        margin-top: 6px;
      }
    }
    
    &.tumblr {
      background: #274061;
      img {
        margin-top: 7px;
      }
    }
    
    &.reddit {
      background: #FF4500;
      img {
        margin-top: 7px;
      }
    }
    
    &:first-child{
      margin-left: 0px;
    }
    
    &:hover {
      background: $primary-color;
    }
  }
}