@media screen and (max-width:750px) {
  .box {
    max-width: 100%;
    overflow: hidden
  }
  #F1-1 {
    width: 100% !important;
  }

  #F1-1-1 {

    font-size:0.51rem;
  }
  #F2 {
    width: 100% !important;
    padding-bottom: 2rem;
  }
}