@keyframes clockwise{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@keyframes counter-clockwise{0%{transform:rotate(0deg)}to{transform:rotate(-1turn)}}.gearbox{background:#111;height:150px;width:200px;position:relative;border:none;overflow:hidden;border-radius:6px;box-shadow:0 0 0 1px rgba(255,255,255,.1)}.gearbox .overlay{border-radius:6px;content:"";position:absolute;top:0;left:0;width:100%;height:100%;z-index:10;box-shadow:inset 0 0 20px black;transition:background .2s;background:transparent}.gear{position:absolute;height:60px;width:60px;box-shadow:0 -1px 0 0 #888888,0 1px 0 0 black;border-radius:30px}.gear.large{height:120px;width:120px;border-radius:60px}.gear.large:after{height:96px;width:96px;border-radius:48px;margin-left:-48px;margin-top:-48px}.gear.one{top:12px;left:10px}.gear.two{top:61px;left:60px}.gear.three{top:110px;left:10px}.gear.four{top:13px;left:128px}.gear:after{content:"";position:absolute;height:36px;width:36px;border-radius:36px;background:#111;top:50%;left:50%;margin-left:-18px;margin-top:-18px;z-index:3;box-shadow:0 0 10px rgba(255,255,255,.1),inset 0 0 10px rgba(0,0,0,.1),inset 0 2px 0 0 #090909,inset 0 -1px 0 0 #888888}.gear-inner{position:relative;height:100%;width:100%;background:#555;border-radius:30px;border:1px solid rgba(255,255,255,.1)}.large .gear-inner{border-radius:60px}.gear.one .gear-inner{animation:counter-clockwise 3s linear infinite}.gear.two .gear-inner{animation:clockwise 3s linear infinite}.gear.three .gear-inner{animation:counter-clockwise 3s linear infinite}.gear.four .gear-inner{animation:counter-clockwise 6s linear infinite}.gear-inner .bar{background:#555;height:16px;width:76px;position:absolute;left:50%;margin-left:-38px;top:50%;margin-top:-8px;border-radius:2px;border-left:1px solid rgba(255,255,255,.1);border-right:1px solid rgba(255,255,255,.1)}.large .gear-inner .bar{margin-left:-68px;width:136px}.gear-inner .bar:nth-child(2){transform:rotate(60deg)}.gear-inner .bar:nth-child(3){transform:rotate(120deg)}.gear-inner .bar:nth-child(4){transform:rotate(90deg)}.gear-inner .bar:nth-child(5){transform:rotate(30deg)}.gear-inner .bar:nth-child(6){transform:rotate(150deg)}