@media(max-width:480px){
  .ui-widget.ui-widget-content{
    left: 20px !important;
    width: calc(100% - 40px) !important;
  }
  .ui-widget.ui-widget-content .ui-menu-item{
    padding:5px 10px;
    border-bottom:1px solid #ccc;
  }
}