#push_modal {
      background: #fff;
      background: -webkit-linear-gradient(top, #fff, #ddd);
      background: -moz-linear-gradient(top, #fff, #ddd);
      background: -ms-linear-gradient(top, #fff, #ddd);
      background: -o-linear-gradient(top, #fff, #ddd);
      background: linear-gradient(to bottom, #fff, #ddd);
      margin: 0 auto;
      width: 400px;
      text-align: center;
      -webkit-border-radius: 5px;
      -moz-border-radius: 5px;
      border-radius: 5px;
      -webkit-box-shadow: rgba(0,0,0,0.2) 0px 1px 3px;
      -moz-box-shadow: rgba(0,0,0,0.2) 0px 1px 3px;
      box-shadow: rgba(0,0,0,0.2) 0px 1px 3px;
    }