Could Effect CSS

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style|--i:1

Cloud Animation CSS

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.clouds{
/* animation 1
animation: animate 8s linear infinite;
*/
/* animation 2
animation: animate calc(8s * var(--i)) linear infinite;
*/
}
@keyframes animate{
0%{
transform:translateX(-100%);
}
100%{
transform:translateX(100%);
}
}