1 <style type="text/css"> 2 *{margin:0; padding:0} 3 a{text-decoration: none} 4 5 a{display:inline-block;width:200px; 6 height:34px; 7 line-height:34px; 8 font-weight:bold; 9 text-indent:3em; 10 background:yellow; 11 } 12 13 a.a1{display:inline-block; 14 width:200px; 15 height:34px; 16 line-height:34px; 17 font-weight:bold; 18 text-indent:3em; 19 background:gray; 20 font-size:20px;} 21 22 a.a2{display:inline-block; 23 width:200px; 24 height:34px; 25 line-height:34px; 26 font-weight:bold; 27 text-indent:30px; 28 background:pink; 29 font-size:20px;} 30 </style> 31 </head> 32 <body> 33 <a href="###">加入购物车</a> 34 <a href="###" class="a1">加入购物车</a> 35 <a href="###" class="a2">加入购物车</a> 36 </body>