主要的是container哪里有宽度没高度，所有它的高度为0 ，无法展示

content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">

Document

.box{

width:200px;

height:100px;

background-color:pink;

overflow-x:scroll;

overflow-y:hidden;

}

.container{

width:10000px;

}

.container div{

width:150px;

height:100px;

float:left;

}

.box1{

background-color:#fff;

}

.box2{

background-color:green;

}

.box3{

background-color:palegreen;

}

.box4{

background-color:yellow;

}