css选择器怎么选取每两个改变背景颜色
例如：
<p>1</p> <p>2</p> <p>3</p> <p>4</p> <p>5</p> <p>6</p> <p>7</p> <p>8</p> <p>9</p> <p>10</p> <p>11</p> <p>12</p>
怎么选择1，2
跳过3，4
选择5，6
以此类推
周末早安浏览 1168回答 1
1回答
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慕斯4360584
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MAIN_tzboy
<!DOCTYPE html> <html> <head> <title></title> <style type="text/css"> .demo{ display: inline-block;width: 50px;height: 50px; background-color: #e3e3e3; } .demo:nth-child(4n+1),.demo:nth-child(4n+2){ background-color: red; } </style> </head> <body> <div class="demo-list"> <div class="demo"></div> <div class="demo"></div> <div class="demo"></div> <div class="demo"></div> <div class="demo"></div> <div class="demo"></div> <div class="demo"></div> <div class="demo"></div> <div class="demo"></div> <div class="demo"></div> <div class="demo"></div> <div class="demo"></div> </div> </body> </html>?
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