How to add styles to specified li in css
4 methods: 1. Use ":first-child" to add style to the first li, the syntax is "li:first-child{style code}"; 2. Use ":last-child" to add style to the first li. Add style to the last li with the syntax "li:last-child{style}"; 3. Use "li:nth-of-type(N){style code}" to add style to the Nth li; 4. Use " li:nth-child(N){style code}" adds style to the Nth li.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
css selects the specified li and adds styles
Method 1: Use:first-childThe selector adds style to the first li
:first-child selector matches the first child element in its parent element.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<style>
li{
float: left;
height: 50px;
line-height: 50px;
width: 50px;
margin: 20px;
background: #ccc;
text-align: center;
color: #fff;
}
li:first-child{
background:red;
}
</style>
</head>
<body>
<ul class="dom">
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
</body>
</html>
Method 2: Use the :last-child selector to add style to the last li
li:last-child{
background:pink;
}
Method 3: Use the :nth-of-type() selector to add style to the Nth li
:nth-of-type(n) The selector matches every element that is the Nth child element of a specific type of the parent element
li:nth-of-type(1){ /* 第1个li加样式 */
background:red;
}
li:nth-of-type(2){ /* 第2个li加样式 */
background:pink;
}
li:nth-of-type(3){ /* 第3个li加样式 */
background:green;
}
can be formulas or keywords Odd (odd number) and even (even number) n 2 Start adding styles from the 2nd element.
li:nth-of-type(n+2){
background:red;
}
Similarly, if you select an odd number element, then
(or use odd); if you want to select an even number element, then it should be written as 2n 2 (or use even); <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'>li:nth-of-type(2n+1){
background:pink;
}
li:nth-of-type(even){
background:green;
}</pre><div class="contentsignin">Copy after login</div></div>
:nth-child(n)
The selector matches the Nth child element that belongs to its parent element, regardless of The type of element. <div class="code" style="position:relative; padding:0px; margin:0px;"><pre class='brush:php;toolbar:false;'>li:nth-child(1){ /* 第1个li加样式 */
background:red;
}
li:nth-child(3){ /* 第3个li加样式 */
background:pink;
}
li:nth-child(5){ /* 第5个li加样式 */
background:green;
}</pre><div class="contentsignin">Copy after login</div></div>
The parameters inside can be formulas or keywords Odd (odd number) and even (even number) The above is the detailed content of How to add styles to specified li in css. For more information, please follow other related articles on the PHP Chinese website!li:nth-child(odd){
background:red;
}
li:nth-child(2n+2){
background:pink;
}
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