.logo404 {
    width: 100%;
    content: url("../../img/img-404/404-error.jpg");
    margin-top: 20px;
  }


@media (max-width: 767px) {
    .logo404 {
        width: 100%;
        content: url("../../img/img-404/404-error-moblie.jpg");
      }
    .col-sm-12{
        margin-bottom: 300px;
    }
  }