figureslibres.cc/user/themes/figureslibres/scss/theme/_start.scss

html, body, header{
  background: #f9f9f9fe;
}

body{
  #start{
      width: calc( #{$Wi} - #{$marg} );
      margin: $marg auto auto $marg;
      #text_figli{
        p {
          a{
            position: relative;
              &::after{
                display: block;
                content: '';
                position: absolute;
                top: 0;
                left: 0;
                transform: translate(-25%,-65%);
                z-index: 999;
              }
            // &:hover{
            //   &::after{
            //     content: url('/user/themes/figureslibres/images/ovale.svg');
            //     width: 100%;
            //     height: 100%;
            //     top: 0;
            //     left: 0;
            //   }
            // }
            &.marg{
              margin-right: $marg;
            }
          }
        }
        .card{
          width: calc(100% / 4);
          height: auto;
          overflow: hidden;
          display: inline-block;
          vertical-align: top;
          line-height: 0;
          margin-right: $marg;
          position: relative;
          margin-top: $marg;
          .card-header{
            display: none;
            & > *{
              font-size: 0.8rem;
              line-height: 1rem;
              margin-right: $marg;
            }
          }
          &:hover{
            .card-header{
              width: 100%;
              background: rgba(255, 255, 255, 0.5);
              padding: $marg;
              display: inline-flex;
              flex-wrap: wrap;
              position: absolute;
              transform: translateY(-100%);
            }
          }
          &:last-child{
            vertical-align: baseline;
          }
        }
      }
  }
  &:not(.home){
    #start{
      margin-top: calc( 2rem +  #{$Flhome});
    }
  }
}