纯CSS,label+input+section实现tab功能

一切为了实用！

<style>
html,
body {
height: 100%;
}

body {
font: 14px/1 'Open Sans', sans-serif;
color: #555;
background: #eee;
}

h1 {
padding: 50px 0;
font-weight: 400;
text-align: center;
}

p {
margin: 0 0 20px;
line-height: 1.5;
}

main {
min-width: 320px;
max-width: 800px;
padding: 50px;
margin: 0 auto;
background: #fff;
}

section {
display: none;
padding: 20px 0 0;
border-top: 1px solid #ddd;
}

input {
display: none;
}

label {
display: inline-block;
margin: 0 0 -1px;
padding: 15px 25px;
font-weight: 600;
text-align: center;
color: #bbb;
border: 1px solid transparent;
}

label:before {
font-family: fontawesome;
font-weight: normal;
margin-right: 10px;
}

label[for*='1']:before {
content: '\f1cb';
}

label[for*='2']:before {
content: '\f17d';
}

label[for*='3']:before {
content: '\f16b';
}

label[for*='4']:before {
content: '\f1a9';
}

label:hover {
color: #888;
cursor: pointer;
}

input:checked + label {
color: #555;
border: 1px solid #ddd;
border-top: 2px solid orange;
border-bottom: 1px solid #fff;
}

#tab1:checked ~ #content1,
#tab2:checked ~ #content2,
#tab3:checked ~ #content3,
#tab4:checked ~ #content4 {
display: block;
}

@media screen and (max-width: 650px) {
label {
font-size: 0;
}
label:before {
margin: 0;
font-size: 18px;
}
}

@media screen and (max-width: 400px) {
label {
padding: 15px;
}
}
</style>
<h1>Tommy bad bad</h1>
<main>

<input id="tab1" type="radio" name="tabs" checked>
<label for="tab1">1</label>

<input id="tab2" type="radio" name="tabs">
<label for="tab2">2</label>

<input id="tab3" type="radio" name="tabs">
<label for="tab3">3</label>

<input id="tab4" type="radio" name="tabs">
<label for="tab4">4</label>

<section id="content1">
<p>
1
</p>
<p>
1
</p>
</section>

<section id="content2">
<p>
2
</p>
<p>
2
</p>
</section>

<section id="content3">
<p>
3
</p>
<p>
3
</p>
</section>

<section id="content4">
<p>

4

</p>
<p>

4
</p>
</section>

</main>