1、利用display：block属性
1: <!DOCTYPE html>
2: <html>
3: <head>
4: <meta charset="utf-8" />
5: <title>a设置宽度和高度</title>
6: <style>
7: .abc a{
8: display:block;
9: width:130px;
10: height:30px;
11: border:1px solid #000
12: }
13: </style>
14: </head>
15: <body>
16: <div class="abc">
17: <a href="#">宽度130，高30</a>
18: </div>
19: </body>
20: </html>
效果：
2、float：left属性
1: <!DOCTYPE html>
2: <html>
3: <head>
4: <meta charset="utf-8" />
5: <title>a设置宽度和高度</title>
6: <style>
7: .abc a{
8: float:left;
9: width:150px;
10: height:50px;
11: border:1px solid #000
12: }
13: </style>
14: </head>
15: <body>
16: <div class="abc">
17: <a href="#">宽度150，高50</a>
18: </div>
19: </body>
20: </html>
效果：
3、对a设置padding
1: <!DOCTYPE html>
2: <html>
3: <head>
4: <meta charset="utf-8" />
5: <title>a设置宽度和高度</title>
6: <style>
7: .abc a{
8: padding:10px 20px;
9: width:150px;
10: height:50px;
11: border:1px solid #000
12: }
13: </style>
14: </head>
15: <body>
16: <div class="abc">
17: <a href="#">宽度150，高50</a>
18: </div>
19: </body>
20: </html>
效果：
