<div class="loader"></div>
.loader {
--s: 150px; /* adjust this to control the size */
--_d: calc(0.353*var(--s));/* 0.353 = sin(45deg)/2 */
width: calc(var(--s) + var(--_d));
aspect-ratio: 1;
display: flex;
margin: calc(var(--s)/3) 0;
}
.loader:before,
.loader:after {
content: "";
flex: 1;
clip-path: polygon(var(--_d) 0,100% 0,100% calc(100% - var(--_d)),calc(100% - var(--_d)) 100%,0 100%,0 var(--_d));
background:
conic-gradient(from -90deg at calc(100% - var(--_d)) var(--_d),
#fff 135deg,#666 0 270deg,#aaa 0);
animation: load 1.5s infinite cubic-bezier(0,.5,.5,1.8) alternate;
}
.loader:before {
margin-right: calc(var(--_d)/-2 - 1px);
}
.loader:after {
margin-left: calc(var(--_d)/-2 - 1px);
animation-delay: -.75s
}
@keyframes load{
0%,40% {transform:translateY(calc(var(--s)/-4))}
60%,100% {transform:translateY(calc(var(--s)/4))}
}
body {
margin: 0;
height: 100vh;
display: grid;
place-content: center;
background: #000;
}
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.