.dots{background-color:#e5e5f7;background-image:radial-gradient(var(--primary-color) .5px,transparent .5px),radial-gradient(var(--primary-color) .5px,var(--secondary-color) .5px);background-size:20px 20px;background-position:0 0,10px 10px}.zig-zag{background:linear-gradient(45deg,#fff 25%,transparent 0),linear-gradient(315deg,#fff 25%,transparent 0),linear-gradient(45deg,transparent 24%,#eee 25%,#eee 45%,transparent 0),linear-gradient(315deg,transparent 24%,#eee 25%,#eee 45%,transparent 0);background-size:6em 6em;opacity:1}.paper,.zig-zag{background-color:#fff}.paper{background-image:linear-gradient(90deg,transparent 79px,var(--secondary-color) 79px,var(--secondary-color) 81px,transparent 81px),linear-gradient(#eee .1em,transparent .1em);background-size:100% 1.2em}.threeD-boxes{--s:109px;--c1:#1d1d1d;--c2:#4e4f51;--c3:#3c3c3c;background:repeating-conic-gradient(from 30deg,#0000 0 120deg,var(--c3) 0 50%) calc(var(--s) / 2) calc(var(--s) * tan(30deg) / 2),repeating-conic-gradient(from 30deg,var(--c1) 0 60deg,var(--c2) 0 120deg,var(--c3) 0 50%);background-size:var(--s) calc(var(--s) * tan(30deg))}.stary-night{background-color:#131313;background-image:radial-gradient(#fff,hsla(0,0%,100%,.2) 2px,transparent 40px),radial-gradient(#fff,hsla(0,0%,100%,.15) 1px,transparent 30px),radial-gradient(#fff,hsla(0,0%,100%,.1) 2px,transparent 40px),radial-gradient(hsla(0,0%,100%,.4),hsla(0,0%,100%,.1) 2px,transparent 30px);background-size:550px 550px,350px 350px,250px 250px,150px 150px;background-position:0 0,40px 60px,130px 270px,70px 100px}.stary-night-for-div{background-color:#131313;background-image:radial-gradient(#fff,hsla(0,0%,100%,.2) 2px,transparent 10px),radial-gradient(#fff,hsla(0,0%,100%,.15) 1px,transparent 12px),radial-gradient(#fff,hsla(0,0%,100%,.1) 1.5px,transparent 15px),radial-gradient(hsla(0,0%,100%,.4),hsla(0,0%,100%,.1) 2px,transparent 12px);background-size:100px 100px,70px 70px,50px 50px,30px 30px;background-position:20% 30%,50% 10%,80% 60%,10% 20%;background-repeat:no-repeat;opacity:.9}.stairs{background:linear-gradient(63deg,#444 23%,transparent 0) 7px 0,linear-gradient(63deg,transparent 74%,#444 78%),linear-gradient(63deg,transparent 34%,#444 38%,#444 58%,transparent 62%),#222;background-size:16px 48px}