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

@media screen and (max-width: 1024px){
  body{
    #start{
      width: $Wi80-m;
      #text_figli{
        #item_list{
          .card{
            width: $Wi33-m;
            #item{
              width: calc(300% + (.5rem * 2));
            }
          }
        }
      }
    }
  }
}

@media screen and (max-width: 414px) {
  body{
    #start{
      width: $Wi-m;
      margin: 0rem auto 2rem auto;
      padding-right: 2rem; 
      #text_figli{
        p{
          font-size: 1.7rem;
          line-height: 2.3rem;
          a{
            &:before,
            &:after {
              width: 50%;
              opacity: 1;
              background-color: black;
            }
          }
        }
        #item_list{
          width: 100%;
          .card{
            width: calc(100%);
            margin: 0 0 0.5rem 0;
            #item{
              width: 100%;
              padding: 1rem;
              .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;
        width: 100%;
        // background-color: #f9f9f9fe;
        .hamburger{
          float: right;
          z-index: 999;
        }
      }
      .list-projets{
        z-index: 999;
        ul{
          text-align: center;
          span{
            text-align: center;
          }
          li{
            text-align: center;
            margin-top: 0!important;
            &::before{
              width: 100%;
            }
            a{
              padding: 0.5rem;
            }
          }
        }
      }
    }
  }

  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;
  }
}