布局篇,怎样再一个页面中展示多屏内容

//CSS代码
<style>
        .wrapper{
            width: 500px;
            height: 500px;
            border: 1px solid black;
        }
        .viewport div{
            width: 500px;
            height: 500px;
        }
        .screen1{
            background: red;
            float: left;
        }
        .screen2{
            background: blue;
            float: left;

        }
        .screen3{
            background: black;
            float: left;

        }
        .viewport{
            width: 1500px;
            height: 500px;
        }
        #i1:checked~.wrapper>.viewport{
           margin-left: 0px 
        }
          #i2:checked~.wrapper>.viewport{
           margin-left: -500px 
        }
          #i3:checked~.wrapper>.viewport{
           margin-left: -1000px 
        }
        .wrapper{
            overflow: hidden;
        }
        input{
            display: none;
        }
        label{
            display: inline-block;
            width: 50px;
            height: 25px;
            background: green;
        }
    </style>

//body代码 

　 <input type="radio" name="s" checked id="i1">
   <input type="radio" name="s"  id="i2">
   <input type="radio" name="s"  id="i3">
    <label for="i1">1</label>
    <label for="i2">2</label>
    <label for="i3">3</label>

    <div class="wrapper">
        <div class="viewport">
             <div class="screen1"></div>
            <div class="screen2"></div>
            <div class="screen3"></div>            
        </div>
    </div>