本文小编为大家详细介绍“怎么用HTML+CSS3横向导航栏”，内容详细，步骤清晰，细节处理妥当，希望这篇“怎么用HTML+CSS3横向导航栏”文章能帮助大家解决疑惑，下面跟着小编的思路慢慢深入，一起来学习新知识吧。
index.html
<!DOCTYPE html><html><head><meta charset="UTF-8"><title>HTML+CSS3横向导航栏</title><link rel="stylesheet" href="index.css" media="screen" type="text/css" /></head><body><article class="tabs"><input checked id="one" name="tabs" type="radio"><label for="one">Tab One</label><input id="two" name="tabs" type="radio" value="Two"><label for="two">Tab Two</label><input id="three" name="tabs" type="radio"><label for="three">Tab Three</label><input id="four" name="tabs" type="radio"><label for="four">Tab Four</label><div class="panels"><div class="panel"><h3>This is Panel One</h3><p>This is Panel One</p></div><div class="panel"><h3>This is Panel Two</h3><p>this is panel two</p></div><div class="panel"><h3>This is Panel Three</h3><p>this is panel three</p></div><div class="panel"><h3>This is Panel four</h3><p>this is panel four</p></div></div></article></body></html>
index.css
body
{font-family: Cambria, Arial;background: #333;}.tabs {width:
100%;max-width: 600px;margin: 50px auto;}input {opacity: 0;}label
{cursor: pointer;background: -webkit-linear-gradient(#666, #555);color:
#eee;border-radius: 5px 5px 0 0;padding: 1.5% 3%;float:
left;margin-right: 2px;font:1em cambria;}label:hover {background:
-webkit-linear-gradient(#777, #666);}input:checked + label {background:
#fff;color: #333;}.tabs input:nth-of-type(1):checked ~ .panels
.panel:first-child,.tabs input:nth-of-type(2):checked ~ .panels
.panel:nth-child(2),.tabs input:nth-of-type(3):checked ~ .panels
.panel:nth-child(3),.tabs input:nth-of-type(4):checked ~ .panels
.panel:last-child {opacity: 1;-webkit-transition: .3s;}.panels {float:
left;clear: both;position: relative;width: 100%;background:
#fff;border-radius: 0 10px 10px 10px;min-height: 315px;}.panel {width:
100%;opacity: 0;position: absolute;background: #fff;border-radius: 0
10px 10px 10px;padding: 4%;box-sizing: border-box;}.panel h3 {margin:
0;}
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