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CSS3怎么实现菜单功能

这篇文章主要介绍“CSS3怎么实现菜单功能”,在日常操作中,相信很多人在CSS3怎么实现菜单功能问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”CSS3怎么实现菜单功能”的疑惑有所帮助!接下来,请跟着小编一起来学习吧!

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index.html

代码如下:


2. CSS

代码如下:


.menu, .menu ul {
   list-style: none;
   padding: 0;
   margin: 0;
}
.menu {
   height: 58px;
}
.menu li {
   background: -moz-linear-gradient(#292929, #252525);
   background: -ms-linear-gradient(#292929, #252525);
   background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #292929), color-stop(100%, #252525));
   background: -webkit-linear-gradient(#292929, #252525);
   background: -o-linear-gradient(#292929, #252525);
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#292929', endColorstr='#252525');
   -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr='#292929', endColorstr='#252525')";
   background: linear-gradient(#292929, #252525);

   border-bottom: 2px solid #181818;
   border-top: 2px solid #303030;
   min-width: 160px;
}
.menu > li {
   display: block;
   float: left;
   position: relative;
}
.menu > li:first-child {
   border-radius: 5px 0 0;
}
.menu a {
   border-left: 3px solid rgba(0, 0, 0, 0);
   color: #808080;
   display: block;
   font-family: 'Lucida Console';
   font-size: 18px;
   line-height: 54px;
   padding: 0 25px;
   text-decoration: none;
   text-transform: uppercase;
}

Hover代码段:

代码如下:


.menu li:hover {
   background-color: #1c1c1c;
   background: -moz-linear-gradient(#1c1c1c, #1b1b1b);
   background: -ms-linear-gradient(#1c1c1c, #1b1b1b);
   background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #1c1c1c), color-stop(100%, #1b1b1b));
   background: -webkit-linear-gradient(#1c1c1c, #1b1b1b);
   background: -o-linear-gradient(#1c1c1c, #1b1b1b);
   filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#1c1c1c', endColorstr='#1b1b1b');
   -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr='#1c1c1c', endColorstr='#1b1b1b')";
   background: linear-gradient(#1c1c1c, #1b1b1b);

   border-bottom: 2px solid #222222;
   border-top: 2px solid #1B1B1B;
}
.menu li:hover > a {
   border-radius: 5px 0 0 0;
   border-left: 3px solid #C4302B;
   color: #C4302B;
}

CSS

代码如下:


/* submenu styles */
.submenu {
   left: 0;
   max-height: 0;
   position: absolute;
   top: 100%;
   z-index: 0;
   -webkit-perspective: 400px;
   -moz-perspective: 400px;
   -ms-perspective: 400px;
   -o-perspective: 400px;
   perspective: 400px;
}
.submenu li {
   opacity: 0;
   -webkit-transform: rotateY(90deg);
   -moz-transform: rotateY(90deg);
   -ms-transform: rotateY(90deg);
   -o-transform: rotateY(90deg);
   transform: rotateY(90deg);
   -webkit-transition: opacity .4s, -webkit-transform .5s;
   -moz-transition: opacity .4s, -moz-transform .5s;
   -ms-transition: opacity .4s, -ms-transform .5s;
   -o-transition: opacity .4s, -o-transform .5s;
   transition: opacity .4s, transform .5s;
}
.menu .submenu li:hover a {
   border-left: 3px solid #454545;
   border-radius: 0;
   color: #ffffff;
}
.menu > li:hover .submenu, .menu > li:focus .submenu {
   max-height: 2000px;
   z-index: 10;
}
.menu > li:hover .submenu li, .menu > li:focus .submenu li {
   opacity: 1;
   -webkit-transform: none;
   -moz-transform: none;
   -ms-transform: none;
   -o-transform: none;
   transform: none;
}

CSS

代码如下:


/* CSS3 delays for transition effects */
.menu li:hover .submenu li:nth-child(1) {
   -webkit-transition-delay: 0s;
   -moz-transition-delay: 0s;
   -ms-transition-delay: 0s;
   -o-transition-delay: 0s;
   transition-delay: 0s;
}
.menu li:hover .submenu li:nth-child(2) {
   -webkit-transition-delay: 50ms;
   -moz-transition-delay: 50ms;
   -ms-transition-delay: 50ms;
   -o-transition-delay: 50ms;
   transition-delay: 50ms;
}
.menu li:hover .submenu li:nth-child(3) {
   -webkit-transition-delay: 100ms;
   -moz-transition-delay: 100ms;
   -ms-transition-delay: 100ms;
   -o-transition-delay: 100ms;
   transition-delay: 100ms;
}
.menu li:hover .submenu li:nth-child(4) {
   -webkit-transition-delay: 150ms;
   -moz-transition-delay: 150ms;
   -ms-transition-delay: 150ms;
   -o-transition-delay: 150ms;
   transition-delay: 150ms;
}
.menu li:hover .submenu li:nth-child(5) {
   -webkit-transition-delay: 200ms;
   -moz-transition-delay: 200ms;
   -ms-transition-delay: 200ms;
   -o-transition-delay: 200ms;
   transition-delay: 200ms;
}
.menu li:hover .submenu li:nth-child(6) {
   -webkit-transition-delay: 250ms;
   -moz-transition-delay: 250ms;
   -ms-transition-delay: 250ms;
   -o-transition-delay: 250ms;
   transition-delay: 250ms;
}
.menu li:hover .submenu li:nth-child(7) {
   -webkit-transition-delay: 300ms;
   -moz-transition-delay: 300ms;
   -ms-transition-delay: 300ms;
   -o-transition-delay: 300ms;
   transition-delay: 300ms;
}
.menu li:hover .submenu li:nth-child(8) {
   -webkit-transition-delay: 350ms;
   -moz-transition-delay: 350ms;
   -ms-transition-delay: 350ms;
   -o-transition-delay: 350ms;
   transition-delay: 350ms;
}
.submenu li:nth-child(1) {
   -webkit-transition-delay: 350ms;
   -moz-transition-delay: 350ms;
   -ms-transition-delay: 350ms;
   -o-transition-delay: 350ms;
   transition-delay: 350ms;
}
.submenu li:nth-child(2) {
   -webkit-transition-delay: 300ms;
   -moz-transition-delay: 300ms;
   -ms-transition-delay: 300ms;
   -o-transition-delay: 300ms;
   transition-delay: 300ms;
}
.submenu li:nth-child(3) {
   -webkit-transition-delay: 250ms;
   -moz-transition-delay: 250ms;
   -ms-transition-delay: 250ms;
   -o-transition-delay: 250ms;
   transition-delay: 250ms;
}
.submenu li:nth-child(4) {
   -webkit-transition-delay: 200ms;
   -moz-transition-delay: 200ms;
   -ms-transition-delay: 200ms;
   -o-transition-delay: 200ms;
   transition-delay: 200ms;
}
.submenu li:nth-child(5) {
   -webkit-transition-delay: 150ms;
   -moz-transition-delay: 150ms;
   -ms-transition-delay: 150ms;
   -o-transition-delay: 150ms;
   transition-delay: 150ms;
}
.submenu li:nth-child(6) {
   -webkit-transition-delay: 100ms;
   -moz-transition-delay: 100ms;
   -ms-transition-delay: 100ms;
   -o-transition-delay: 100ms;
   transition-delay: 100ms;
}
.submenu li:nth-child(7) {
   -webkit-transition-delay: 50ms;
   -moz-transition-delay: 50ms;
   -ms-transition-delay: 50ms;
   -o-transition-delay: 50ms;
   transition-delay: 50ms;
}
.submenu li:nth-child(8) {
   -webkit-transition-delay: 0s;
   -moz-transition-delay: 0s;
   -ms-transition-delay: 0s;
   -o-transition-delay: 0s;
   transition-delay: 0s;
}

到此,关于“CSS3怎么实现菜单功能”的学习就结束了,希望能够解决大家的疑惑。理论与实践的搭配能更好的帮助大家学习,快去试试吧!若想继续学习更多相关知识,请继续关注创新互联网站,小编会继续努力为大家带来更多实用的文章!


文章题目:CSS3怎么实现菜单功能
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