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.block.active {
animation: clipPath 3s cubic-bezier(.220, .60, .350, 1) 0s 1 forwards;
}
@keyframes clipPath {
0% {
clip-path: circle(0 at 50% 50%);
}
100% {
clip-path: circle(100% at 50% 50%);
}
}
$(function(){
$(".block").addClass("active");
});