magnifier-on-image.scss

.field-image {
  figure {
    a {
      display: block;
      position: relative;
      &:after {
        position: absolute;
        width: 100%;
        height: 100%;
        content: '';
        top: 0;
        transition: background .3s ease 0s;
      }
      &:before {
        position: absolute;
        width: 1em;
        height: 1em;
        top: 50%;
        left: 50%;
        font-size: 5em;
        transform: translate(-50%, -50%);
        transition: opacity .3s ease 0s;
        opacity: 0;
      }
      @extend .fa;
      @extend .fa-search-plus;
      &:hover {
        &:before {
          opacity: 1;
        }
        &:after {
          background-color: rgba(#fff, .3);
        }
      }
    }
  }
}