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.loader {
position: relative;
width: 12.5em;
height: 12.5em;
transform: rotate(165deg);
}
.loader:before, .loader:after {
content: '';
position: absolute;
top: 50%;
left: 50%;
display: block;
width: 2.5em;
height: 2.5em;
border-radius: 1.25em;
transform: translate(-50%, -50%);
}
.loader:before {
animation: before 2s infinite;
}
.loader:after {
animation: after 2s infinite;
}
@keyframes before {
0% {
width: 2.5em;
box-shadow: 5em -2.5em rgba(88, 163, 243, 0.75), -5em 2.5em rgba(153, 202, 255, 0.75);
}
35% {
width: 12.5em;
box-shadow: 0 -2.5em rgba(88, 163, 243, 0.75), 0 2.5em rgba(153, 202, 255, 0.75);
}
70% {
width: 2.5em;
box-shadow: -5em -2.5em rgba(88, 163, 243, 0.75), 5em 2.5em rgba(153, 202, 255, 0.75);
}
100% {
box-shadow: 5em -2.5em rgba(88, 163, 243, 0.75), -5em 2.5em rgba(153, 202, 255, 0.75);
}
}
@keyframes after {
0% {
height: 2.5em;
box-shadow: 2.5em 5em rgba(224, 224, 224, 0.75), -2.5em -5em rgba(198, 200, 210, 0.75);
}
35% {
height: 12.5em;
box-shadow: 2.5em 0 rgba(224, 224, 224, 0.75), -2.5em 0 rgba(198, 200, 210, 0.75);
}
70% {
height: 2.5em;
box-shadow: 2.5em -5em rgba(224, 224, 224, 0.75), -2.5em 5em rgba(198, 200, 210, 0.75);
}
100% {
box-shadow: 2.5em 5em rgba(224, 224, 224, 0.75), -2.5em -5em rgba(198, 200, 210, 0.75);
}
}
/** * Attempt to center the whole thing! */
html, body {
height: 100%;
}
.loader {
position: absolute;
top: calc(50% - 6.25em);
left: calc(50% - 6.25em);
}