CSS 基础布局 2-9 编程练习

来源：2-10 编程练习

qq_诶姆_0

2017-08-10 09:45:43

<!doctype html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
        *{
            margin: 0;
            padding:0;
        }
        .head{
            width: 100%;
            height:100px;
            background: black;
        }
        .photo{
            float:left;
        }
        .words{
            
            float:right;
            color: white;
            margin-right: 50px;
        }
        .words span{
            line-height: 100px;
        }
        .foot{
            width: 100%;
            height:100px;
            background: black;
            text-align: center;
        }
        .foot span{
            line-height: 100px;
            color: white;
        }
        .body{
            width: 100%;
            height:800px;
            background-color: #4169e1;
            margin: 0 auto;
        }
        .left{
            width: 500px;
            height: 100px;
            background-color: yellow;
            float: left;
            
        }
        .right{
            width: 400px;
            height: 100px;
            background-color: red;
            float: right;
        }
    </style>
</head>
<body>
    <div class="head">
        <div class="photo">
            <img src="http://climg.mukewang.com/58c0d2d900016ce303000100.png"/>
        </div>
        <div class="words">
            <span>课程 职业 路径 实战 猿问 手记</span>
        </div>
    </div>
    <div class="body">
        <div class="left">
            这是左半部分            
        </div>
        <div class="right">
            这是右半部分
        </div>
    </div>
    <div class="foot">
        <span>网站首页   企业合作   人才招聘   联系我们   常见问题   友情链接</span>
    </div>
</body>
</html>

老师我有个问题，第一个是关于head 和 foot 的样式里面我是利用空格使他们有间距的可是好像无论打多少个空格都只能显示一个，这怎么操作？第二个问题是在body标签里我想先分左右两部分，可为什么float:left;后它并不靠左呢？原因是什么？