Pure CSS3 LavaLamp Dropdown Menu

Saturday, 30 November 2013

Pure CSS3 LavaLamp Dropdown Menu

Pure CSS3 LavaLamp Menu

I think that you have already seen animated menus with LavaLamp effect (based on jQuery plugin). Today I would like you to tell how to repeat same behavior only with CSS3 (without any javascript). I have to use CSS3 transitions in our menu (to animate elements). So, if you are ready, lets start.

HTML part of Script

As usual, we start with the HTML. Here is the html code of our menu. As usual – this is again UL-LI based navigation menu. The most interesting thing will be CSS styles of course.

<ul id="nav">
<li><a href="#">Home</a></li>
<li><a class="hsubs" href="#">Menu 1</a>
        <ul class="subs">
<li><a href="#">Submenu 1</a></li>
<li><a href="#">Submenu 2</a></li>
<li><a href="#">Submenu 3</a></li>
<li><a href="#">Submenu 4</a></li>
<li><a href="#">Submenu 5</a></li>
</ul>
</li>
<li><a class="hsubs" href="#">Menu 2</a>
        <ul class="subs">
<li><a href="#">Submenu 2-1</a></li>
<li><a href="#">Submenu 2-2</a></li>
<li><a href="#">Submenu 2-3</a></li>
<li><a href="#">Submenu 2-4</a></li>
<li><a href="#">Submenu 2-5</a></li>
<li><a href="#">Submenu 2-6</a></li>
<li><a href="#">Submenu 2-7</a></li>
<li><a href="#">Submenu 2-8</a></li>
</ul>
</li>
<li><a class="hsubs" href="#">Menu 3</a>
        <ul class="subs">
<li><a href="#">Submenu 3-1</a></li>
<li><a href="#">Submenu 3-2</a></li>
<li><a href="#">Submenu 3-3</a></li>
<li><a href="#">Submenu 3-4</a></li>
<li><a href="#">Submenu 3-5</a></li>
</ul>
</li>
<li><a href="#">Menu 4</a></li>
<li><a href="#">Menu 5</a></li>
<li><a href="#">Menu 6</a></li>
<li><a href="http://www.fun2learning.blogspot">Back</a></li>
<div id="lavalamp">
</div>
</ul>

Here are the CSS styles of our LavaLamp menu.

#nav,#nav ul {
    list-style: none outside none;
    margin: 0;
    padding: 0;
}
#nav {
    background: url('menu_bg.png') no-repeat scroll 0 0 transparent;
    clear: both;
    font-size: 12px;
    height: 58px;
    padding: 0 0 0 9px;
    position: relative;
    width: 957px;
}
#nav ul {
    background-color: #222;
    border:1px solid #222;
    border-radius: 0 5px 5px 5px;
    border-width: 0 1px 1px;
    box-shadow: 0 5px 5px rgba(0, 0, 0, 0.5);
    left: -9999px;
    overflow: hidden;
    position: absolute;
    top: -9999px;
    z-index: 2;

-moz-transform: scaleY(0);
    -ms-transform: scaleY(0);
    -o-transform: scaleY(0);
    -webkit-transform: scaleY(0);
    transform: scaleY(0);

-moz-transform-origin: 0 0;
    -ms-transform-origin: 0 0;
    -o-transform-origin: 0 0;
    -webkit-transform-origin: 0 0;
    transform-origin: 0 0;

-moz-transition: -moz-transform 0.1s linear;
    -ms-transition: -ms-transform 0.1s linear;
    -o-transition: -o-transform 0.1s linear;
    -webkit-transition: -webkit-transform 0.1s linear;
    transition: transform 0.1s linear;
}
#nav li {
    background: url('menu_line.png') no-repeat scroll right 5px transparent;
    float: left;
    position: relative;
}
#nav li a {
    color: #FFFFFF;
    display: block;
    float: left;
    font-weight: normal;
    height: 30px;
    padding: 23px 20px 0;
    position: relative;
    text-decoration: none;
    text-shadow: 1px 1px 1px #000000;
}
#nav li:hover > a {
    color: #00B4FF;
}
#nav li:hover, #nav a:focus, #nav a:hover, #nav a:active {
    background: none repeat scroll 0 0 #121212;
    outline: 0 none;
}
#nav li:hover ul.subs {
    left: 0;
    top: 53px;
    width: 180px;

-moz-transform: scaleY(1);
    -ms-transform: scaleY(1);
    -o-transform: scaleY(1);
    -webkit-transform: scaleY(1);
    transform: scaleY(1);
}
#nav ul li {
    background: none;
    width: 100%;
}
#nav ul li a {
    float: none;
}
#nav ul li:hover > a {
    background-color: #121212;
    color: #00B4FF;
}
#lavalamp {
    background: url('lavalamp.png') no-repeat scroll 0 0 transparent;
    height: 16px;
    left: 13px;
    position: absolute;
    top: 0px;
    width: 64px;

-moz-transition: all 300ms ease;
    -ms-transition: all 300ms ease;
    -o-transition: all 300ms ease;
    -webkit-transition: all 300ms ease;
    transition: all 300ms ease;
}
#lavalamp:hover {
    -moz-transition-duration: 3000s;
    -ms-transition-duration: 3000s;
    -o-transition-duration: 3000s;
    -webkit-transition-duration: 3000s;
    transition-duration: 3000s;
}
#nav li:nth-of-type(1):hover ~ #lavalamp {
    left: 13px;
}
#nav li:nth-of-type(2):hover ~ #lavalamp {
    left: 90px;
}
#nav li:nth-of-type(3):hover ~ #lavalamp {
    left: 170px;
}
#nav li:nth-of-type(4):hover ~ #lavalamp {
    left: 250px;
}
#nav li:nth-of-type(5):hover ~ #lavalamp {
    left: 330px;
}
#nav li:nth-of-type(6):hover ~ #lavalamp {
    left: 410px;
}
#nav li:nth-of-type(7):hover ~ #lavalamp {
    left: 490px;
}
#nav li:nth-of-type(8):hover ~ #lavalamp {
    left: 565px;
}

If you Don't Know how to Put the Script in Your Blogger Template you can see My tutorial on HOW TO ADD DROPDOWN MENU IN BLOGGER