.sk-folding-cube{height:100%;margin:auto;position:relative;transform:rotate(45deg);width:100%}.sk-folding-cube .sk-cube{float:left;height:50%;position:relative;transform:scale(1.1);width:50%}.sk-folding-cube .sk-cube:before{animation:sk-folding-cube-angle 2.4s linear infinite both;background-color:currentColor;content:"";height:100%;left:0;position:absolute;top:0;transform-origin:100% 100%;width:100%}.sk-folding-cube .sk-cube-2{transform:scale(1.1) rotate(90deg)}.sk-folding-cube .sk-cube-3{transform:scale(1.1) rotate(180deg)}.sk-folding-cube .sk-cube-4{transform:scale(1.1) rotate(270deg)}.sk-folding-cube .sk-cube-2:before{animation-delay:.3s}.sk-folding-cube .sk-cube-3:before{animation-delay:.6s}.sk-folding-cube .sk-cube-4:before{animation-delay:.9s}@keyframes sk-folding-cube-angle{0%,10%{opacity:0;transform:perspective(140px) rotateX(-180deg)}25%,75%{opacity:1;transform:perspective(140px) rotateX(0)}90%,to{opacity:0;transform:perspective(140px) rotateY(180deg)}}