[CODE]
<!DOCTYPE html>
<html>
<head>
<style>
$speed: 2.5s;
* {
margin: 0px;
padding: 0px;
border: 0px;
}
html, body {
min-height: 100%;
}
body {
background: radial-gradient(#eee,#444);
}
.loader {
position: absolute;
top: 0px;
bottom: 0px;
left: 0px;
right: 0px;
margin: auto;
width: 175px;
height: 100px;
span {
display: block;
background: #ccc;
width: 7px;
height: 10%;
border-radius: 14px;
margin-right: 5px;
float: left;
margin-top: 25%;
&:last-child {
margin-right: 0px;
}
&:nth-child(1) {
animation: load $speed 1.4s infinite linear;
}
&:nth-child(2) {
animation: load $speed 1.2s infinite linear;
}
&:nth-child(3) {
animation: load $speed 1s infinite linear;
}
&:nth-child(4) {
animation: load $speed 0.8s infinite linear;
}
&:nth-child(5) {
animation: load $speed 0.6s infinite linear;
}
&:nth-child(6) {
animation: load $speed 0.4s infinite linear;
}
&:nth-child(7) {
animation: load $speed 0.2s infinite linear;
}
&:nth-child(8) {
animation: load $speed 0s infinite linear;
}
&:nth-child(9) {
animation: load $speed 0.2s infinite linear;
}
&:nth-child(10) {
animation: load $speed 0.4s infinite linear;
}
&:nth-child(11) {
animation: load $speed 0.6s infinite linear;
}
&:nth-child(12) {
animation: load $speed 0.8s infinite linear;
}
&:nth-child(13) {
animation: load $speed 1s infinite linear;
}
&:nth-child(14) {
animation: load $speed 1.2s infinite linear;
}
&:nth-child(15) {
animation: load $speed 1.4s infinite linear;
}
}
}
@keyframes load {
0% {
background: #ccc;
margin-top: 25%;
height: 10%;
}
50% {
background: #444;
height: 100%;
margin-top: 0%;
}
100% {
background: #ccc;
height: 10%;
margin-top: 25%;
}
}
</style>
</head>
<body>
<div class="loader">
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
</div>
</body>
</html>
[/CODE]
