Web Front-endCSS TutorialIntroduction to the implementation method of creating three-dimensional navigation bar with CSSIntroduction to the implementation method of creating three-dimensional navigation bar with CSS
This article mainly introduces the relevant information about using CSS to make a three-dimensional navigation bar. Friends in need can refer to the three-dimensional navigation bar made by
css. The specific implementation code is as follows:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS制作立体导航</title>
<link rel="stylesheet" href="http://www.w3cplus.com/demo/css3/base.css">
<style>
body{
background: #ebebeb;
}
.nav{
width:560px;
height: 50px;
font:bold 0/50px Arial;
text-align:center;
margin:40px auto 0;
background: #f65f57;
/*制作导航圆角*/
border-radius: 8px;
/*制作导航立体效果*/
box-shadow: 0 7px 0 #ba4a45;
}
.nav a{
display: inline-block;
/* a元素的过渡属性：1、设置所有a标签过渡；2、过渡时间；3、速度曲线：以慢速开始的过渡效果 */
-webkit-transition: all 0.2s ease-in;/* Safari 和 Chrome */
-moz-transition: all 0.2s ease-in;/* Firefox */
-o-transition: all 0.2s ease-in;/* Opera */
-ms-transition: all 0.2s ease-in;/* IE 9 */
transition: all 0.2s ease-in;
}
.nav a:hover{
/* 鼠标移上时的效果；定义2D旋转10度 */
-webkit-transform:rotate(10deg);
-moz-transform:rotate(10deg);
-o-transform:rotate(10deg);
-ms-transform:rotate(10deg);
transform:rotate(10deg);
}
.nav li{
position:relative;
display:inline-block;
padding:0 16px;
font-size: 14px;
text-shadow:1px 2px 4px rgba(0,0,0,.5);
list-style: none outside none;
}
/*制作导航分隔线效果*/
.nav li::before,
.nav li::after{
content:"";
position:absolute;
top:14px;
height: 25px;
width: 1px;
}
.nav li::after{
right: 0;
/* 线性渐变 */
background: -moz-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0));
background: -webkit-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0));
background: -o-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0));
background: -ms-linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0));
background: linear-gradient(top, rgba(255,255,255,0), rgba(255,255,255,.2) 50%, rgba(255,255,255,0));
}
.nav li::before{
left: 0;
background: -moz-linear-gradient(top, #ff625a, #9e3e3a 50%, #ff625a);
background: -webkit-linear-gradient(top, #ff625a, #9e3e3a 50%, #ff625a);
background: -o-linear-gradient(top, #ff625a, #9e3e3a 50%, #ff625a);
background: -ms-linear-gradient(top, #ff625a, #9e3e3a 50%, #ff625a);
background: linear-gradient(top, #ff625a, #9e3e3a 50%, #ff625a);
}
/*删除导航第一个导航项左边的分隔线*/
.nav li:first-child::before{
background: none;
}
/*删除导航最后一个导航右边的分隔线*/
.nav li:last-child::after{
background: none;
}
.nav a,
.nav a:hover{
color:#fff;
text-decoration: none;
}
</style>
</head>
<body>
<ul class="nav">
<li><a href="">首页</a></li>
<li><a href="">个人简介</a></li>
<li><a href="">作品集</a></li>
<li><a href="">博客</a></li>
<li><a href="">资源</a></li>
<li><a href="">联系我</a></li>
</ul>
</body>
</html>Rendering:
## Summary:
1. Use an unordered list for the body part2. (1)hover The effect when the mouse is moved up. (2) Question: The difference between::before and :before Simply put, a single colon (:) is used for CSS3 pseudo-classes, and a double colon (::) is used for CSS3 pseudo-elements. w3c specification on css selectors:A pseudo-element is made of two colons (::) followed by the name of the pseudo-element.This :: notation is introduced by the current document in order to establish a discrimination between pseudo-classes and pseudo-elements. For compatibility with existing style sheets, user agents must also accept the previous one-colon notation for pseudo-elements introduced in CSS levels 1 and 2 (namely, :first-line, :first-letter, :before and :after). This compatibility is not allowed for the new pseudo-elements introduced in CSS level 3. Composed of colon and pseudo-element name. The double colon was introduced in the current specification to distinguish pseudo-classes from pseudo-elements. However, the browser needs to support the old existing pseudo-element writing methods at the same time, such as: first-line, :first-letter, :before, :after, etc., while the new pseudo-elements introduced in CSS3 are no longer allowed to support the old ones. Single colon writing.
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