Android程序员学WEB前端(8)-CSS(3)-盒子内联块级定位浮动-Sublime

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盒子模型：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head>    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">    <title>盒子模型</title>    <style type="text/css">        /*盒子模型*/        body{border: 1px solid black;}        div{border: 1px solid red;margin: 20px;padding: 20px;}        div{border: 1px solid red;margin: 0px 0px 20px 20px;padding: 20px;}    </style></head><body>    <div>        我是盒子    </div></body></html>

内联元素与块级元素：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head>    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">    <title>内联元素与块级元素</title>    <style type="text/css">        /*内联元素与块级元素*/        *{border: 1px solid red;}        div{border: 1px solid black;}    </style></head><body>    <a href="#">百度一下</a>    <i>1</i>    <u>23</u>    <b>456</b>    <div>div</div></body></html>

内联元素与块级元素：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head>    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">    <title>内联元素与块级元素</title>    <style type="text/css">        /*内联元素与块级元素*/        /*块级元素独占一行，可以设置宽高、内外边距等，比如div。内联元素不能设置宽高、内外边距等，比如span。*/        /*.box01{border: 1px solid red;width: 300px;height: 300px;padding:30px;margin: 30px;}*/        body{border:1px solid red; }    </style></head><body>    <div class="box01">        我是第一个盒子    </div>    <span>第一个span</span>    <span style="width:200px;height:200px;margin-left:100px;padding-bottom:100px;margin-top:100px;">第二个span</span>    <span>第三个span</span></body></html>

相对定位与绝对定位：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head>    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">    <title>相对定位与绝对定位</title>    <style type="text/css">        /*相对定位与绝对定位*/        .div01{border: 1px solid red;width: 200px;height: 100px;}        .div02{            border: 1px solid blue;            width: 200px;            height: 100px;            background: yellow;            position: relative;    /*相对定位*/            top: 30px;            left: 50px;        }        .div03{border: 1px solid green;width: 200px;height: 100px;}    </style></head><body>    <div class="div01">第一个div</div>    <div class="div02">第二个div</div>    <div class="div03">第三个div</div></body></html>

相对定位与绝对定位：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head>    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">    <title>相对定位与绝对定位</title>    <style type="text/css">        /*相对定位与绝对定位*/        body{border: 2px solid black;}        .div01{border: 1px solid red;width: 200px;height: 100px;}        .div02{            border: 1px solid blue;            width: 200px;            height: 100px;            background: yellow;            position: absolute;    /*绝对定位*/            top: 30px;            left: 50px;        }        .div03{border: 1px solid green;width: 200px;height: 100px;}        /*.box{margin-left: 200px;border: 2px solid pink;position: relative;}*/        .box{margin-left: 200px;border: 2px solid pink;}    </style></head><body>    <div class="box">        <div class="div01">第一个div</div>        <div class="div02">第二个div</div>        <div class="div03">第三个div</div>    </div></body></html>

相对定位与绝对定位：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head>    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">    <title>相对定位与绝对定位</title>    <style type="text/css">        /*相对定位与绝对定位*/        .box{border: 1px solid red;width: 500px;height: 200px;position: relative;}        .box01{            background: green;            width: 50px;            height: 50px;            position: absolute;            right: 0;bottom: 0;            z-index: 9999    /*z-index 属性设置元素的堆叠顺序。*/            }        .box02{background: blue;width: 50px;height: 50px;position: absolute;right: 40px;bottom: 40px;}    </style></head><body>    <div class="box">        <div class="box01">第一个div</div>        <div class="box02">第二个div</div>        <div class="box03">第三个div</div>    </div></body></html>

浮动：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"><head>    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">    <title>浮动</title>    <style type="text/css">        /*浮动*/        .box{border: 1px solid red;}        .box01{border: 1px solid blue;width: 100px;height: 100px;float: left;}        .box02{border: 1px solid green;width: 200px;height: 100px;float: left;}        /*.clear{clear: both;}*/    /*清除浮动both*/        /*.clear{clear: block;overflow: hidden;} */   /*清除浮动*/        .box01:after{content: "haha";}        /*下面这个，很NB的清除浮动方法，兼容99.99%浏览器*/        .clear:after{display: block;clear: both;content: ".";visibility: hidden;height: 0;}            .clear{zoom:"1";}    </style></head><body>    <div class="box clear">        <div class="box01">第一个div</div>        <div class="box02">第二个div</div>        <div>第三个div</div>    </div></body></html>

转载请注明出处：http://blog.csdn.net/iwanghang/article/details/76618473

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