@keyframes clouds{0%{left:-120%}to{left:120%}}.cloud{border-radius:10px;position:relative;margin:38px 0 0;animation:clouds 25s linear infinite;width:54px;height:5px;background:#f7e7eb;div{box-shadow:inset -2px -3px 0 0 #f7e7eb;position:absolute;border-radius:50%;width:12px;height:12px;left:-3px;bottom:0;background:var(--white);z-index:10;&:first-child{&+div{transform:scale(1.6);margin:0 0 4px 13px;z-index:9;&+div{transform:scale(2.4);margin:0 0 9px 32px;z-index:8;&+div{transform:scale(1.3);margin:0 0 2px 50px;z-index:7}}}}}}