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

@media screen and (max-width: 1024px){
  body{
    #start{
      width: $Wi80-m;
      #text_figli{
        #item_list{
          &.figureslibres, &.logiciels-libres{
            width: 100%;
          }
          .card{
            width: $Wi33-m;
            #item{
              width: calc(300% + (.5rem * 2));
              .content-title{
                margin: 1rem auto 1rem auto;
              }
              .e-content{
                width: 100%;
              }
            }
          }
        }
      }
    }
  }
}


@media screen and (max-width: 1000px){
  .sidebar-right{
    .list-projets {
      .container{
        width: 100%;
        float: none;
        padding-bottom: 0;
      }
      .informations{
        float: none;
        padding-left: 0.5rem;
        margin-left: 10px;
      }
    }
  }
  #item_list{
    width: 90vw!important;
  }
}

@media screen and (max-width: 768px) {
  body #start #text_figli #item_list .card{
    width: calc((100% / 2) - .5rem);
    #item{
      width: calc(90vw - 0.5rem);
    }
  }

}

@media screen and (max-width: 510px) {
  body{
    #start{
      width: $Wi-m;
      margin: 0.5rem auto 2rem auto;
      #text_figli{
        p{
          font-size: 1.7rem;
          line-height: 2.3rem;
        }
        #item_list{
          width: 100%!important;
          &.figureslibres, &.logiciels-libres{
            min-width: 100%;
          }
          .card{
            width: calc(100%);
            margin: 0 0 0.5rem 0;
            #item{
              width: 100%;
              padding: 1rem;
              .e-content{
                min-width: 100%;
                margin: 2rem 0;
              }
              .content-title{
                h2{
                  font-size: 2rem !important;
                  line-height: 2.5rem !important;
                }
                & > div{
                  line-height: 1rem;
                }

              }
            }
          }
        }
      }
    }
    .sidebar-right{
      width: 100%;
      right: -100%;
      #icone_list{
        z-index: 0;
        top: 0;
        .hamburger{
          float: right;
          z-index: 999;
        }
      }
      .list-projets{
        z-index: 999;
        .title-menu{
          h2{
            font-size: 1.7rem;
            line-height: 2.3rem;
          }
        }
        ul{
          li{
            margin-top: 0!important;
            display: initial!important;
            font-size: 1rem;
            line-height: 1.5rem;
            &::before{
              width: 100%;
            }
            a{
              display: initial!important;
              padding: 0rem!important;
              font-size: 1rem;
              line-height: 1.5rem;
              img{
                display: none!important;
              }
            }
            &> span{
              font-size: 1rem;
              line-height: 1.5rem;
            }
          }
        }
        .container-wrap{
          display: block;
          .container{
            &::after{
              height: 1px;
              width: 0;
              bottom: 0;
              top: auto!important;
              left: 0!important;
            }
          }
        }
      }
      &.is-active{
        .container{
          &::after{
            width: 100%!important;
            transition: 1s width 1s ease;
          }
        }
      }
      .informations{
        h3{
          font-size: 1.1rem;
        }
      }
    }
  }

  footer{
    z-index: 999;
    justify-content: center;
    width: 100%;
    bottom: 0!important;
    left: 0!important;
    padding: 0.5rem;
    background-color: #f9f9f9fe;
  }

  .circle_hover.open{
    width: 100px!important;
    height: 100px!important;
  }
}