<nav>
<ul class="mcd-menu">
<li>
<a href="">
<i class="fa fa-home"></i>
<strong>home</strong>
<small>sweet home</small>
</a>
</li>
<li>
<a href="" class="active">
<i class="fa fa-edit"></i>
<strong>about us</strong>
<small>sweet home</small>
</a>
</li>
<li>
<a href="">
<i class="fa fa-gift"></i>
<strong>features</strong>
<small>sweet home</small>
</a>
</li>
<li>
<a href="">
<i class="fa fa-globe"></i>
<strong>news</strong>
<small>sweet home</small>
</a>
</li>
<li>
<a href="">
<i class="fa fa-comments-o"></i>
<strong>blog</strong>
<small>what they say</small>
</a>
<ul>
<li><a href="#"><i class="fa fa-globe"></i>mission</a></li>
<li>
<a href="#"><i class="fa fa-group"></i>our team</a>
<ul>
<li><a href="#"><i class="fa fa-female"></i>leyla sparks</a></li>
<li>
<a href="#"><i class="fa fa-male"></i>gleb ismailov</a>
<ul>
<li><a href="#"><i class="fa fa-leaf"></i>about</a></li>
<li><a href="#"><i class="fa fa-tasks"></i>skills</a></li>
</ul>
</li>
<li><a href="#"><i class="fa fa-female"></i>viktoria gibbers</a></li>
</ul>
</li>
<li><a href="#"><i class="fa fa-trophy"></i>rewards</a></li>
<li><a href="#"><i class="fa fa-certificate"></i>certificates</a></li>
</ul>
</li>
<li>
<a href="">
<i class="fa fa-picture-o"></i>
<strong>portfolio</strong>
<small>sweet home</small>
</a>
</li>
<li>
<a href="">
<i class="fa fa-envelope-o"></i>
<strong>contacts</strong>
<small>drop a line</small>
</a>
</li>
<li class="float">
<a class="search">
<input type="text" value="search ...">
<button><i class="fa fa-search"></i></button>
</a>
<a href="" class="search-mobile">
<i class="fa fa-search"></i>
</a>
</li>
</ul>
</nav>
这里用ul构造了菜单的基本结构。
接下来就利用css3代码来实现菜单的下拉和动画效果。
css代码比较繁琐，这里我只是提供一些核心的css代码，完整的代码大家可以在文章最后下载学习。
这是鼠标滑过菜单项时的动画代码：
.mcd-menu li a i, .mcd-menu li a strong, .mcd-menu li a small {
position: relative;
transition: all 300ms linear;
-o-transition: all 300ms linear;
-ms-transition: all 300ms linear;
-moz-transition: all 300ms linear;
-webkit-transition: all 300ms linear;
}
.mcd-menu li:hover > a i {
opacity: 1;
-webkit-animation: movefromtop 300ms ease-in-out;
-moz-animation: movefromtop 300ms ease-in-out;
-ms-animation: movefromtop 300ms ease-in-out;
-o-animation: movefromtop 300ms ease-in-out;
animation: movefromtop 300ms ease-in-out;
}
.mcd-menu li:hover a strong {
opacity: 1;
-webkit-animation: movefromleft 300ms ease-in-out;
-moz-animation: movefromleft 300ms ease-in-out;
-ms-animation: movefromleft 300ms ease-in-out;
-o-animation: movefromleft 300ms ease-in-out;
animation: movefromleft 300ms ease-in-out;
}
.mcd-menu li:hover a small {
opacity: 1;
-webkit-animation: movefromright 300ms ease-in-out;
-moz-animation: movefromright 300ms ease-in-out;
-ms-animation: movefromright 300ms ease-in-out;
-o-animation: movefromright 300ms ease-in-out;
animation: movefromright 300ms ease-in-out;
}</p>
<p>.mcd-menu li:hover > a {
color: #e67e22;
}
以下定义了鼠标滑过后文字图标滑过的动画，分别是从顶部划入，从左侧划入，从右侧划入：
@-webkit-keyframes movefromtop {
from {
opacity: 0;
-webkit-transform: translatey(200%);
-moz-transform: translatey(200%);
-ms-transform: translatey(200%);
-o-transform: translatey(200%);
transform: translatey(200%);
}
to {
opacity: 1;
-webkit-transform: translatey(0%);
-moz-transform: translatey(0%);
-ms-transform: translatey(0%);
-o-transform: translatey(0%);
transform: translatey(0%);
}
}
@-webkit-keyframes movefromleft {
from {
opacity: 0;
-webkit-transform: translatex(200%);
-moz-transform: translatex(200%);
-ms-transform: translatex(200%);
-o-transform: translatex(200%);
transform: translatex(200%);
}
to {
opacity: 1;
-webkit-transform: translatex(0%);
-moz-transform: translatex(0%);
-ms-transform: translatex(0%);
-o-transform: translatex(0%);
transform: translatex(0%);
}
}
@-webkit-keyframes movefromright {
from {
opacity: 0;
-webkit-transform: translatex(-200%);
-moz-transform: translatex(-200%);
-ms-transform: translatex(-200%);
-o-transform: translatex(-200%);
transform: translatex(-200%);
}
to {
opacity: 1;
-webkit-transform: translatex(0%);
-moz-transform: translatex(0%);
-ms-transform: translatex(0%);
-o-transform: translatex(0%);
transform: translatex(0%);
}
}
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