.background-1{
  background:
  radial-gradient(hsl(0, 100%, 27%) 4%, hsl(0, 100%, 18%) 9%, hsla(0, 100%, 20%, 0) 9%) 0 0,
  radial-gradient(hsl(0, 100%, 27%) 4%, hsl(0, 100%, 18%) 8%, hsla(0, 100%, 20%, 0) 10%) 50px 50px,
  radial-gradient(hsla(0, 100%, 30%, 0.8) 20%, hsla(0, 100%, 20%, 0)) 50px 0,
  radial-gradient(hsla(0, 100%, 30%, 0.8) 20%, hsla(0, 100%, 20%, 0)) 0 50px,
  radial-gradient(hsla(0, 100%, 20%, 1) 35%, hsla(0, 100%, 20%, 0) 60%) 50px 0,
  radial-gradient(hsla(0, 100%, 20%, 1) 35%, hsla(0, 100%, 20%, 0) 60%) 100px 50px,
  radial-gradient(hsla(0, 100%, 15%, 0.7), hsla(0, 100%, 20%, 0)) 0 0,
  radial-gradient(hsla(0, 100%, 15%, 0.7), hsla(0, 100%, 20%, 0)) 50px 50px,
  linear-gradient(45deg, hsla(0, 100%, 20%, 0) 49%, hsla(0, 100%, 0%, 1) 50%, hsla(0, 100%, 20%, 0) 70%) 0 0,
  linear-gradient(-45deg, hsla(0, 100%, 20%, 0) 49%, hsla(0, 100%, 0%, 1) 50%, hsla(0, 100%, 20%, 0) 70%) 0 0;
  background-color: #300;
  background-size: 100px 100px;
}
.background-2{
  background:
  linear-gradient(63deg, #999 23%, transparent 23%) 7px 0,
  linear-gradient(63deg, transparent 74%, #999 78%),
  linear-gradient(63deg, transparent 34%, #999 38%, #999 58%, transparent 62%),
  #444;
  background-size: 16px 48px;
}
.background-3{
  background-color:black;
  background-image:
  radial-gradient(white, rgba(255,255,255,.2) 2px, transparent 40px),
  radial-gradient(white, rgba(255,255,255,.15) 1px, transparent 30px),
  radial-gradient(white, rgba(255,255,255,.1) 2px, transparent 40px),
  radial-gradient(rgba(255,255,255,.4), rgba(255,255,255,.1) 2px, transparent 30px);
  background-size: 550px 550px, 350px 350px, 250px 250px, 150px 150px;
  background-position: 0 0, 40px 60px, 130px 270px, 70px 100px;
}
.background-4{
  background:
  linear-gradient(27deg, #151515 5px, transparent 5px) 0 5px,
  linear-gradient(207deg, #151515 5px, transparent 5px) 10px 0px,
  linear-gradient(27deg, #222 5px, transparent 5px) 0px 10px,
  linear-gradient(207deg, #222 5px, transparent 5px) 10px 5px,
  linear-gradient(90deg, #1b1b1b 10px, transparent 10px),
  linear-gradient(#1d1d1d 25%, #1a1a1a 25%, #1a1a1a 50%, transparent 50%, transparent 75%, #242424 75%, #242424);
  background-color: #131313;
  background-size: 20px 20px;
}
.background-5{
  background:
  radial-gradient(black 15%, transparent 16%) 0 0,
  radial-gradient(black 15%, transparent 16%) 8px 8px,
  radial-gradient(rgba(255,255,255,.1) 15%, transparent 20%) 0 1px,
  radial-gradient(rgba(255,255,255,.1) 15%, transparent 20%) 8px 9px;
  background-color:#282828;
  background-size:16px 16px;
}
.background-6{
  background-color: #6d695c;
  background-image:
  repeating-linear-gradient(120deg, rgba(255,255,255,.1), rgba(255,255,255,.1) 1px, transparent 1px, transparent 60px),
  repeating-linear-gradient(60deg, rgba(255,255,255,.1), rgba(255,255,255,.1) 1px, transparent 1px, transparent 60px),
  linear-gradient(60deg, rgba(0,0,0,.1) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.1) 75%, rgba(0,0,0,.1)),
  linear-gradient(120deg, rgba(0,0,0,.1) 25%, transparent 25%, transparent 75%, rgba(0,0,0,.1) 75%, rgba(0,0,0,.1));
  background-size: 70px 120px;
}
.background-7{
  background: linear-gradient(45deg, #dca 12%, transparent 0, transparent 88%, #dca 0),
  linear-gradient(135deg, transparent 37%, #a85 0, #a85 63%, transparent 0),
  linear-gradient(45deg, transparent 37%, #dca 0, #dca 63%, transparent 0) #753;
  background-size: 25px 25px;
}
.background-8{
  background:
  radial-gradient(black 3px, transparent 4px),
  radial-gradient(black 3px, transparent 4px),
  linear-gradient(#fff 4px, transparent 0),
  linear-gradient(45deg, transparent 74px, transparent 75px, #a4a4a4 75px, #a4a4a4 76px, transparent 77px, transparent 109px),
  linear-gradient(-45deg, transparent 75px, transparent 76px, #a4a4a4 76px, #a4a4a4 77px, transparent 78px, transparent 109px),
  #fff;
  background-size: 109px 109px, 109px 109px,100% 6px, 109px 109px, 109px 109px;
  background-position: 54px 55px, 0px 0px, 0px 0px, 0px 0px, 0px 0px;
}
.background-9{
  background-color: hsl(2, 57%, 40%);
  background-image: repeating-linear-gradient(transparent, transparent 50px, rgba(0,0,0,.4) 50px, rgba(0,0,0,.4) 53px, transparent 53px, transparent 63px, rgba(0,0,0,.4) 63px, rgba(0,0,0,.4) 66px, transparent 66px, transparent 116px, rgba(0,0,0,.5) 116px, rgba(0,0,0,.5) 166px, rgba(255,255,255,.2) 166px, rgba(255,255,255,.2) 169px, rgba(0,0,0,.5) 169px, rgba(0,0,0,.5) 179px, rgba(255,255,255,.2) 179px, rgba(255,255,255,.2) 182px, rgba(0,0,0,.5) 182px, rgba(0,0,0,.5) 232px, transparent 232px),
  repeating-linear-gradient(270deg, transparent, transparent 50px, rgba(0,0,0,.4) 50px, rgba(0,0,0,.4) 53px, transparent 53px, transparent 63px, rgba(0,0,0,.4) 63px, rgba(0,0,0,.4) 66px, transparent 66px, transparent 116px, rgba(0,0,0,.5) 116px, rgba(0,0,0,.5) 166px, rgba(255,255,255,.2) 166px, rgba(255,255,255,.2) 169px, rgba(0,0,0,.5) 169px, rgba(0,0,0,.5) 179px, rgba(255,255,255,.2) 179px, rgba(255,255,255,.2) 182px, rgba(0,0,0,.5) 182px, rgba(0,0,0,.5) 232px, transparent 232px),
  repeating-linear-gradient(125deg, transparent, transparent 2px, rgba(0,0,0,.2) 2px, rgba(0,0,0,.2) 3px, transparent 3px, transparent 5px, rgba(0,0,0,.2) 5px);
}
.background-10{
  background: linear-gradient(#ffffff 50%, rgba(255,255,255,0) 0) 0 0,
  radial-gradient(circle closest-side, #FFFFFF 53%, rgba(255,255,255,0) 0) 0 0,
  radial-gradient(circle closest-side, #FFFFFF 50%, rgba(255,255,255,0) 0) 55px 0 #48B;
  background-size: 110px 200px;
  background-repeat: repeat-x;
}
.background-11{
  background: #53BF9D;
}
.background-12{
  background: #1B2430;
}
.background-13{
  background: #F15412;
}
.background-14{
  background: #D4D925;
}
.background-15{
  background: #383838;
}