.container-example1 {
   float: left;
    /*height: 400px;*/
    overflow: auto;
    min-height: 400px;
    width: 99%;
    overflow-x: hidden;
    margin-top: 2px;
  /*width: 300px;*/
  /*max-width:100%;*/
  /*padding: 5px 10px;
  margin: auto;
  background: #ccc;*/
}

.container-example2 {
    float: left;
    /*height: 400px;*/
    overflow: auto;
    height: 400px;
    width: 100%;
    /*overflow-x: hidden;*/
    /*margin-top: 2px;*/
  /*padding: 5px 10px;
  background: #ccc;*/
}