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<div>
<h2>Rotating Shadow</h2>
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
<a href="javascript:void(0);">button</a>
</div>
*:not(head, script, svg, svg *),
*:not(head, script, svg, svg *)::before,
*:not(head, script, svg, svg *)::after {
all: unset;
box-sizing: border-box;
font-family: sans-serif;
}
body {
display: flex;
align-items: center;
justify-content: center;
width: 100%;
height: 100vh;
overflow: hidden;
margin: 0;
backface-visibility: hidden; /* Force GPU Usage */
}
div {
position: relative;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
width: 80vmin;
height: 80vmin;
background: white;
padding: 5vmin;
border-radius: 2vmin;
}
div h2 {
font-size: 6vmin;
line-height: 110%;
font-weight: 600;
color: black;
text-align: center;
}
div p {
font-size: 4vmin;
line-height: 150%;
font-weight: 400;
color: black;
padding-left: 8vmin;
border-left: 2px solid navy;
margin: 6vmin 0;
}
div a {
font-size: 3vmin;
background-color: navy;
color: white;
font-weight: 500;
letter-spacing: 1px;
padding: 2vmin 4vmin;
}
a:hover {
cursor: pointer;
}
a:focus {
outline: 1px dotted gray;
}
a:active {
transform: scale(0.98);
}
div::before {
position: absolute;
width: calc(100% - 2px);
height: calc(100% - 2px);
background: white;
border-radius: 100%;
filter: drop-shadow(15vmin 15vmin 22vmin navy);
transform-box: fill-box;
-webkit-transform-box: fill-box;
transform-origin: center;
-webkit-transform-origin: center;
content: "";
z-index: -10;
animation: shadowRotate 5s linear infinite;
}
@keyframes shadowRotate {
to {
transform: rotateZ(360deg);
}
}
/* ESLint rules https://eslint.org/docs/2.0.0/rules/ */
/* eslint no-undef: "off" */