HTML块级元素css
HTML<div>元素html
<div>元素是块级元素,它的做用是给文档布局,它可将文档分割成独立的、不一样的部分。相似于IOS中的view。若是使用id或者class来标记<div>,相似于给view加tag值,这样会使<div>标签更加有效。布局
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> This is my HTML</title> </head > <body > <div style="color:#00FF00"> <h4>This is a header</h4> <p>This is a paragraph.</p> </div> </body> </html>
HTML<span>元素spa
<span>元素是内联元素,与CSS一块儿使用时,它用于为文本设置样式属性。<span> 标签被用来组合文档中的行内元素。code
<div>例子htm
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title> This is my HTML</title> <!-- 定义div样式、颜色、大小等--> <style type="text/css"> div#container{background-color:#EEEEEE;width: 500px} div#header{background-color: #99bbbb;} div#menu{background-color: #ffff99;height: 200px;width: 150px;float: left;} div#content{background-color: #EEEEEE;height: 200px;width: 350px;float: left;} div#footer{background-color: #99bbbb;clear: both;;text-align: center;} h1 {margin-bottom:0;} li {list-style:none;} </style> </head > <body > <div id="container"> <div id="header"> <h1>Web Page</h1> </div> <div id="menu"> <h2>Menu</h2> <ul> <li>Objective-C</li> <li>Java</li> <li>PHP</li> </ul> </div> <div id="content"> 这是内容部分 </div> <div id="footer"> Copyright readygo.com </div> </div> </body> </html>