前端切图:手机端自适应布局demo

<!DOCTYPE html >
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
        <meta name="viewport" content="width=device-width, initial-scale=0.0, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0" />
        <!--<link rel="stylesheet" type="text/css" href="css/main.csss" />-->
        <style>
            .container {
                border: 1px solid #F0F1F1;
                -webkit-box-shadow: 0px 3px 3px #c8c8c8;
                -moz-box-shadow: 0px 3px 3px #c8c8c8;
                box-shadow: 0px 3px 3px #c8c8c8;
            }
            .search {
                height: 42px;
                margin: 0 20px;
            }
            .search_left {
                float: left;
                margin: 14px 7px 5px 11px;
                width: 8px;
                height: 8px;
                border-radius: 50px;
                border: 3px solid orangered;
                font-size: 12px;
                text-align: center;
                line-height: 30px;
            }
            .search_input {
                float: left;
            }
            .search_input input {
                border: none;
                height: 30px;
                margin-top: 5px;
            }
            .search_right {
                float: right;
                width: 20px;
                height: 20px;
                margin: 9px 17px 5px 10px;
            }
            .search_right img {
                width: 100%;
                height: 100%;
            }
            .start {
                height: 42px;
                margin: 80px 30px 40px 30px;
                border: 1px solid #F0F1F1;
                -webkit-box-shadow: 0px 3px 3px #c8c8c8;
                -moz-box-shadow: 0px 3px 3px #c8c8c8;
                box-shadow: 0px 3px 3px #c8c8c8;
                background: #ff4343;
                color: #FFFFFF;
                text-align: center;
                line-height: 40px;
                border-radius: 50px;
            }
            .back {
                height: 42px;
                margin: 0px 30px;
                border: 1px solid #F0F1F1;
                -webkit-box-shadow: 0px 3px 3px #c8c8c8;
                -moz-box-shadow: 0px 3px 3px #c8c8c8;
                box-shadow: 0px 3px 3px #c8c8c8;
                background: #FFFFFF;
                color: #1E1F20;
                text-align: center;
                line-height: 40px;
                border-radius: 50px;
            }
        </style>
        <title>高校地图</title>
    </head>
    <body>
        <div class="container">
            <div class="search" style="border-bottom: 1px  solid  #F0F1F1;">
                <div class="search_left"></div>
                <div class="search_input"><input type="text" placeholder="定位失败，手动设置"></div>
                <div class="search_right"><img src="img/scale_search.png" alt="放大" /></div>
            </div>
            <div class="search">
                <div class="search_left"></div>
                <div class="search_input"><input type="text" placeholder="电梯间"></div>
                <div class="search_right"><img src="img/scale_search.png" alt="放大" /></div>
            </div>
        </div>
        <div class="start">开始规划路线</div>
        <div class="back">返回</div>
    </body>
</html>