Code Playground

@charset "UTF-8";
@import url(https://fonts.googleapis.com/css?family=Nunito+Sans:300,400,600,700,800);
*,
:after,
:before {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
body{
			perspective:200px;
			background-color:#1b1b1b;
			perspective-origin:center;
			transform-style:preserve-3d;
			overflow:hidden;
		}
		#wrapper{
			transform:rotateX(15deg) translateY(-110px);
			transform-style:preserve-3d;
			text-align: center;
			position:relative;
			height:99vh;
			display:flex;
			align-items:center;
			align-content:center;
			padding-top:100px;
			transition: transform 1s;
		}
		div.outer-black{
			background-color:rgba(2,2,2,.85);
			margin-top:200px;
			border-radius:50%;
			width:300px;
			height:300px;
			margin:0 auto;
			box-shadow:1px 2px 1px 0px rgba(160, 160, 160, 0.7), -1px -1px 1px rgba(85,85,85,0.7);
			transform-style:preserve-3d;
		}
		div.outer-iron{
			background: linear-gradient(135deg,  #4c4c4e 0%,#414141 34%,#6a6a6a 55%,#212121 100%);
			width:290px;
			height:290px;
			margin-left:5px;
			margin-top:5px;
			border-radius:50%;
			box-shadow: 1px 1px 4px rgba(138, 135, 135, 0.68) inset;
			overflow:hidden;
			position:relative;
			transform:translateZ(3px);
			transform-style:preserve-3d;
		}
		div.inner-black{
			width:260px;
			height:260px;
			background-color:#1e1e1e;
			position:absolute;
			top:15px;
			left:15px;
			border-radius:50%;
			box-shadow:3px 3px 1px 1px #505050 inset, 1px -1px 1px 1px #e6e6e6 inset;
		}
		div.inner-black-2{
			width:240px;
			height:240px;
			border-radius:50%;
			margin-left:10px;
			margin-top:10px;
			background-color:#101010;
			border:1px solid rgba(94,94,94,.7);
			box-shadow:-2px -2px 1px rgba(168,168,168,0.8) inset;
			transform:translateZ(5px);
		}
		div.inner-black-3{
			width:230px;
			height:230px;
			margin-top:5px;
			margin-left:5px;
			background-color:#252525;
			border-radius:50%;
			border:1px solid #1c1c1c;
			box-sizing:border-box;

box-shadow:-2px 3px 1px #5f5f5f inset;
		}
		div.glare{
			width:220px;
			height:250px;
			border-radius:50%;
			background-color:#fff;
			margin-left:35px;
			transform:translateY(-50px);
			box-shadow:0 0 50px 37px #fff;
		}
		button.engine{
			-webkit-tap-highlight-color: transparent;
      background:#666;
			border-radius:50%;
			width:225px;
			height:225px;
			margin-left:2.5px;
			margin-top:2.5px;
			border:0;
			transition:all 0.1s;
			cursor:pointer;
			box-shadow:0 0 10px 3px #000 inset, 0 -50px 100px rgba(0,0,0,0.8) inset, 0 30px 60px rgba(0,0,0,0.8) inset;
			box-sizing:border-box;
		}
		button.engine:focus{
			outline:none;
		}
		button.engine:active{
			box-shadow:0 0 12px 5px #000 inset, 0 -60px 100px rgba(0,0,0,0.8) inset, 0 50px 60px rgba(0,0,0,0.8) inset;
			padding-top:13px;
			background-position-y:6.5px;
		}
		.light{
			width:35px;
			height:15px;
			margin:0 auto;
			background-color:#212121;
			margin-bottom:25px;
			border-radius:7px;
			border:1px solid #1b1b1b;
			transition:all 0.6s;
		}
		.engine.active .light{
			background-color:#f9ea1a;
			border:1px solid #923C14;
			box-shadow:0 0 11px 3px #C94A29 inset, 0 0 32px 6px #C77713, 0 0 100px #fff
		}
		button.engine span{
      font-family: sans-serif;
			text-transform:uppercase;
			font-weight:bold;
			font-size:30px;
			color:#212121;
			transition:all 0.6s;
		}
		button.engine.active span{
			color:#C5DEA1;
			text-shadow:0 0 15px #8CA579, 0 0 2px #fff;
		}
		button.engine span:first-of-type{
			font-size:20px;
		}

Frontend Forever App