A simple example of implementing CSS Tab layout

This article mainly brings you a must-see simple example of using CSS to implement Tab layout. I hope it can give everyone a clearer understanding of CSS Tab layout.

1. Layout method

1. Separation of content and tabs

<p class="container">
   <p class="tab-content">
     <p id="item1" class="item">内容1</p>
     <p id="item2" class="item">内容2</p>
     <p id="item3" class="item">内容3</p>
     <p id="item4" class="item">内容4</p>
   </p>
   <p class="tab-control">
     <ul>
        <li><a href="#item1">内容1</a></li>
        <li><a href="#item2">内容2</a></li>
        <li><a href="#item3">内容3</a></li>
        <li><a href="#item4">内容4</a></li>
     </ul>
   </p>
</p>

ul,li{
  margin:0;
  padding:0;
  list-style:none;
}
.container{
  width:400px;
  height:300px;
  background-color:silver;
}
.tab-content{
  width:100%;
  height:80%;
  overflow:hidden;
}
.tab-content .item{
  width:100%;
  height:100%;
}
.tab-control{
  width:100%;
  height:20%;
}
.tab-control ul{
  height:100%;
}
.tab-control li{
  width:25%;
  height:100%;
  float:left;
  border:1px solid silver;
  box-sizing:border-box;
  background-color:white;
  cursor: pointer;
}
.tab-control li:hover{
  background-color:#7b7474
}
.tab-control a{
  display:inline-block;
  width:100%;
  height:100%;
  line-height:100%;
  text-align:center;
  text-decoration: none;
}
.tab-control a::after{
  content:"";
  display:inline-block;
  height:100%;
  vertical-align:middle;
}
.tab-content .item:target{
  background:yellow;
}

2. Content and tabs are integrated

<p class="container">
   <ul>
     <li class="item active">
       <p class="title">1</p>
       <p class="content">1</p>
     </li>
     <li class="item">
       <p class="title">2</p>
       <p class="content ml1">2</p>
     </li>
     <li class="item">
       <p class="title">3</p>
       <p class="content ml2">3</p>
     </li>
     <li class="item">
       <p class="title">4</p>
       <p class="content ml3">4</p>
     </li>
   </ul>
</p>

ul,li,p{
  margin:0;
  padding:0;
  list-style:none;
}
.container{
  width:400px;
  height:300px;
  background-color:silver;
  border:1px solid silver;
}
.container ul{
  width:100%;
  height:100%;
  overflow:hidden;
}
.container .item{
  float:left;
  width:25%;
  height:100%;
  background-color:white;
}
.container .item .title{
  line-height:40px;
  border:1px solid silver;
  box-sizing:border-box;
  text-align:center;
  cursor:pointer;
}
.container .item .content{
  width:400%;
  height:100%;
  background-color:yellow;
}
.ml1{
  margin-left:-100%;
}
.ml2{
  margin-left:-200%;
}
.ml3{
  margin-left:-300%;
}
.active{
  position:relative;
  z-index:1
}
.container .item:hover{
  position:relative;
  z-index:1
}
.container .item:hover .title{
  border-bottom:none;
  background-color:yellow;
}

##Use negative margin to align the content area, and then the content Add a background color to avoid overlapping perspectives of areas corresponding to different tabs.

2. CSS interaction

1. Anchor implementation (target)

(1) For layout one: items are arranged from top to bottom, and the parent element tab-content Add overflow:hidden. Using anchor points, when you click on different a tags, the item with the corresponding ID will switch to the tab-content view, and then use hover to add a switching style to the tab button.

<p class="container">
   <p class="tab-content">
     <p id="item1" class="item">内容1</p>
     <p id="item2" class="item">内容2</p>
     <p id="item3" class="item">内容3</p>
     <p id="item4" class="item">内容4</p>
   </p>
   <p class="tab-control">
     <ul>
        <li><a href="#item1">内容1</a></li>
        <li><a href="#item2">内容2</a></li>
        <li><a href="#item3">内容3</a></li>
        <li><a href="#item4">内容4</a></li>
     </ul>
   </p>
</p>

ul,li{
  margin:0;
  padding:0;
  list-style:none;
}
.container{
  width:400px;
  height:300px;
  background-color:silver;
}
.tab-content{
  width:100%;
  height:80%;
  overflow:hidden;
}
.tab-content .item{
  width:100%;
  height:100%;
}
.tab-control{
  width:100%;
  height:20%;
}
.tab-control ul{
  height:100%;
}
.tab-control li{
  width:25%;
  height:100%;
  float:left;
  border:1px solid silver;
  box-sizing:border-box;
  background-color:white;
  cursor: pointer;
}
.tab-control li:hover{
  background-color:#7b7474
}
.tab-control a{
  display:inline-block;
  width:100%;
  height:100%;
  line-height:100%;
  text-align:center;
  text-decoration: none;
}
.tab-control a::after{
  content:"";
  display:inline-block;
  height:100%;
  vertical-align:middle;
}

The above method only uses anchor point switching and does not use: target. Modify CSS

ul,li{
  margin:0;
  padding:0;
  list-style:none;
}
.container{
  width:400px;
  height:300px;
  background-color:silver;
}
.tab-content{
  position:relative;
  width:100%;
  height:80%;
  overflow:hidden;
}
.tab-content .item{
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:100%;
}
.tab-control{
  width:100%;
  height:20%;
}
.tab-control ul{
  height:100%;
}
.tab-control li{
  width:25%;
  height:100%;
  float:left;
  border:1px solid silver;
  box-sizing:border-box;
  background-color:white;
  cursor: pointer;
}
.tab-control li:hover{
  background-color:#7b7474
}
.tab-control a{
  display:inline-block;
  width:100%;
  height:100%;
  line-height:100%;
  text-align:center;
  text-decoration: none;
}
.tab-control a::after{
  content:"";
  display:inline-block;
  height:100%;
  vertical-align:middle;
}

.tab-content .item:target{
  z-index:1;
  background-color:yellow;
}

item uses absolute positioning, and then use:target to modify the z-index of the element to achieve the switching effect (in fact, the switching effect can also be achieved by controlling the display of the element)

(2) For layout two:

<p class="container">
   <ul>
     <li class="item active" id="item1">
       <p class="title"><a href="#item1">1</a></p>
       <p class="content">1</p>
     </li>
     <li class="item" id="item2">
       <p class="title"><a href="#item2">2</a></p>
       <p class="content ml1">2</p>
     </li>
     <li class="item" id="item3">
       <p class="title"><a href="#item3">3</a></p>
       <p class="content ml2">3</p>
     </li>
     <li class="item" id="item4">
       <p class="title"><a href="#item4">4</a></p>
       <p class="content ml3">4</p>
     </li>
   </ul>
</p>

ul,
li,
p {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: 400px;
  height: 300px;
  background-color: silver;
  border: 1px solid silver;
}

.container ul {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.container .item {
  float: left;
  width: 25%;
  height: 100%;
  background-color: white;
}

.container .item .title {
  line-height: 40px;
  border: 1px solid silver;
  box-sizing: border-box;
  text-align: center;
  cursor: pointer;
}
.container .item a {
  display:inline-block;
  width:100%;
  height:100%;
  text-decoration: none;
}

.container .item .content {
  width: 400%;
  height: 100%;
  background-color: yellow;
}

.ml1 {
  margin-left: -100%;
}

.ml2 {
  margin-left: -200%;
}

.ml3 {
  margin-left: -300%;
}

.active {
  position: relative;
  z-index: 1
}

.container .item:target {
  position: relative;
  z-index: 1
}

.container .item:target .title {
  border-bottom: none;
  background-color: yellow;
}

2. Hover implementation

(1) For layout One:

cannot be simply achieved through CSS

(2) For layout two:

<p class="container">
   <ul>
     <li class="item active">
       <p class="title">1</p>
       <p class="content">1</p>
     </li>
     <li class="item">
       <p class="title">2</p>
       <p class="content ml1">2</p>
     </li>
     <li class="item">
       <p class="title">3</p>
       <p class="content ml2">3</p>
     </li>
     <li class="item">
       <p class="title">4</p>
       <p class="content ml3">4</p>
     </li>
   </ul>
</p>

ul,li,p{
  margin:0;
  padding:0;
  list-style:none;
}
.container{
  width:400px;
  height:300px;
  background-color:silver;
  border:1px solid silver;
}
.container ul{
  width:100%;
  height:100%;
  overflow:hidden;
}
.container .item{
  float:left;
  width:25%;
  height:100%;
  background-color:white;
}
.container .item .title{
  line-height:40px;
  border:1px solid silver;
  box-sizing:border-box;
  text-align:center;
  cursor:pointer;
}
.container .item .content{
  width:400%;
  height:100%;
  background-color:yellow;
}
.ml1{
  margin-left:-100%;
}
.ml2{
  margin-left:-200%;
}
.ml3{
  margin-left:-300%;
}
.active{
  position:relative;
  z-index:1
}
.container .item:hover{
  position:relative;
  z-index:1
}
.container .item:hover .title{
  border-bottom:none;
  background-color:yellow;
}

3, label Implement

with :checked (1) For layout one:

<p class="container">
  <p class="tab-content">
    <input type="radio" name="item" class="radio-item" id="item1" checked/>
    <p class="item">内容1</p>
    <input type="radio" name="item" class="radio-item" id="item2" />
    <p class="item">内容2</p>
    <input type="radio" name="item" class="radio-item" id="item3" />
    <p class="item">内容3</p>
    <input type="radio" name="item" class="radio-item" id="item4" />
    <p class="item">内容4</p>
  </p>
  <p class="tab-control">
    <ul>
      <li><label for="item1">内容1</label></li>
      <li><label for="item2">内容2</label></li>
      <li><label for="item3">内容3</label></li>
      <li><label for="item4">内容4</label></li>
    </ul>
  </p>
</p>

ul,
li {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  width: 400px;
  height: 300px;
  background-color: silver;
}

.tab-content {
  position: relative;
  width: 100%;
  height: 80%;
  overflow: hidden;
}

input {
  margin: 0;
  width: 0;
}

.tab-content .item {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.tab-control {
  width: 100%;
  height: 20%;
}

.tab-control ul {
  height: 100%;
}

.tab-control li {
  width: 25%;
  height: 100%;
  float: left;
  border: 1px solid silver;
  box-sizing: border-box;
  background-color: white;
}

.tab-control li:hover {
  background-color: #7b7474
}

.tab-control label {
  display: inline-block;
  width: 100%;
  height: 100%;
  line-height: 100%;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.tab-control label::after {
  content: "";
  display: inline-block;
  height: 100%;
  vertical-align: middle;
}
.tab-content .radio-item{
  display:none;
}
.tab-content .radio-item:checked+.item {
  z-index: 1;
  background-color: yellow;
}

Use css :checked with + (select immediately after another element after the element, and both have the same parent element) selector.

(2) For layout two:

<p class="container">
   <ul>
     <li class="item active">
       <input type="radio" name="item" class="radio-item" id="item1" checked/>
       <label class="title" for="item1">1</label>
       <p class="content">1</p>
     </li>
     <li class="item">
       <input type="radio" name="item" class="radio-item" id="item2" />
       <label class="title" for="item2">2</label>
       <p class="content ml1">2</p>
     </li>
     <li class="item">
       <input type="radio" name="item" class="radio-item" id="item3" />
       <label class="title" for="item3">3</label>
       <p class="content ml2">3</p>
     </li>
     <li class="item">
       <input type="radio" name="item" class="radio-item" id="item4" />
       <label class="title" for="item4">4</label>
       <p class="content ml3">4</p>
     </li>
   </ul>
</p>

ul,li,p{
  margin:0;
  padding:0;
  list-style:none;
}
.container{
  width:400px;
  height:300px;
  background-color:silver;
  border:1px solid silver;
}
.container ul{
  width:100%;
  height:100%;
  overflow:hidden;
}
.container .item{
  float:left;
  width:25%;
  height:100%;
  background-color:white;
}
.container .item .title{
  display:inline-block;
  width:100%;
  line-height:40px;
  border:1px solid silver;
  box-sizing:border-box;
  text-align:center;
  cursor:pointer;
}
.container .item .content{
  position:relative;
  width:400%;
  height:100%;
  background-color:yellow;
}
.ml1{
  margin-left:-100%;
}
.ml2{
  margin-left:-200%;
}
.ml3{
  margin-left:-300%;
}
.radio-item{
  display:none;
}
.radio-item:checked~.title{
  background-color:yellow;
  border-bottom:none;
}
.radio-item:checked~.content{
  background-color:yellow;
  z-index:1;
}

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