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index.html

代碼如下:

<ul class=menu>

<li><a href=#>home</a></li>

<li><a href=#s1>menu 1</a>

<ul class=submenu>

<li><a href=#>submenu a</a></li>

<li><a href=#>submenu b</a></li>

<li><a href=#>submenu c</a></li>

<li><a href=#>submenu d</a></li>

<li><a href=#>submenu e</a></li>

<li><a href=#>submenu f</a></li>

<li><a href=#>submenu g</a></li>

<li><a href=#>submenu h</a></li>

</ul>

</li>

<li class=active><a href=#s2>menu 2</a>

<ul class=submenu>

<li><a href=#>submenu a</a></li>

<li><a href=#>submenu b</a></li>

<li><a href=#>submenu c</a></li>

<li><a href=#>submenu d</a></li>

<li><a href=#>submenu e</a></li>

<li><a href=#>submenu f</a></li>

<li><a href=#>submenu g</a></li>

<li><a href=#>submenu h</a></li>

</ul>

</li>

<li><a href=#>menu 3</a>

<ul class=submenu>

<li><a href=#>submenu a</a></li>

<li><a href=#>submenu b</a></li>

<li><a href=#>submenu c</a></li>

<li><a href=#>submenu d</a></li>

<li><a href=#>submenu e</a></li>

<li><a href=#>submenu f</a></li>

<li><a href=#>submenu g</a></li>

<li><a href=#>submenu h</a></li>

</ul>

</li>

<li><a href=#>menu 4</a></li>

<li><a href=#>menu 5</a></li>

</ul>

2. css

代碼如下:

.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代碼段：

代碼如下:

.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

代碼如下:

/* 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

代碼如下:

/* 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;

}

以上就是本文的全部內(nèi)容了，希望大家能夠喜歡。