LeaveItFork/assets/css/_common/_core/media.scss

@media (max-width: 767px) {

    .archive-item-date{
      display: none;
    }
    .footer {
      height: 3rem;
      width: 100%;
      text-align: center;
      line-height: 1.5rem;
    }

    #dynamic-to-top{
        bottom: 3em;
        right: 4em;
    }

    .post-warp {
       .categories-card {
         .card-item {
          width: 95%;
         }
       }
    }
}