.clouds{position:fixed;z-index:40}.c1,.c2{width:800px;height:700px;position:absolute;background:transparent url(/clouds.png) 0 0 no-repeat;background-size:100%;z-index:999}.c1.one,.c2.one{top:-260px;left:0}.c1.two,.c2.two{top:-200px;left:100px}.c1.three,.c2.three{top:-240px;right:100px}.c1.four,.c22.four{top:-180px;right:0}.c2 .one{top:-209px}@media (max-width: 1023px){.c2.one{left:-80px}.c2.two{left:-120px}.c2.three,.c2.four{right:220px}}.c1{animation:anime 1000s linear infinite forwards}.c2{transform:translate(200%);animation:anim 1000s linear infinite forwards}