@media (max-width: 767px) {
  .item{
    width: 98%;
    padding: 1%;
    margin-bottom: 20px;
    border: 1px solid #d3d3d3;
    background: #f3f3f3;
  }
}

@media (max-width: 575px) {

}


@media (max-width: 320px) {

}