_loading.css
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@keyframes loading-scale {
0% {
transform: scale(1);
opacity: 1;
}
45% {
transform: scale(0.1);
opacity: 0.7;
}
80% {
transform: scale(1);
opacity: 1;
}
}
.loading {
position: fixed;
top: 50%;
left: 50%;
margin-top: -20px;
margin-left: -60px;
width: 128px;
height: 40px;
z-index: 1001;
> div {
$init: 0.12;
@for $i from 1 to 3 {
&:nth-child($i) {
animation: loading-scale 0.75s $(init)s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
}
$init: calc(($i + 1) * 0.12);
}
display: inline-block;
margin: 4px;
width: 30px;
height: 30px;
border-radius: 100%;
background: #fff;
}
}