SCSS
@import "compass/css3";
$particles: 62; // has to match nodes in dom
$particleSize: 8px;
$radius: 80;
$lapDuration: 3s;
html, body {
overflow: hidden;
background: #3e6fa3;
}
.wrapper {
position: absolute;
top: 50%;
left: 50%;
z-index: 2;
@include perspective(500px);
}
i {
display: block;
position: absolute;
width: $particleSize;
height: $particleSize;
border-radius: $particleSize;
opacity: 0;
background: rgba(255,255,255,0.5);
box-shadow: 0px 0px 10px rgba(255,255,255,1);
animation-name: spin;
animation-duration: $lapDuration;
animation-iteration-count: infinite;
animation-timing-function: ease-in-out;
}
@for $i from 1 through $particles {
i:nth-child(#{$i}) {
$angle: ( $i / $particles ) * 720;
@include transform(
rotate( #{$angle}deg )
translate3d( #{$radius}px, 0, 0 )
);
animation-delay: $i * ($lapDuration / $particles);
}
}
@keyframes spin {
from {
opacity: 0.0;
}
to {
opacity: 0.6;
transform: translate3d(-$particleSize/2, -$particleSize/2, 570px);
}
}
// background color controls
#black {
position: absolute;
left: 10px;
bottom: 10px;
color: rgba(255,255,255,0.6);
text-decoration: none;
&:after { content: 'Black & white'; }
}
#black:target {
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1;
background: #111;
cursor: default;
&:after { content: ''; }
}
