.sk-folding-cube{width:27px;height:27px;position:relative;transform:rotate(45deg)}.sk-folding-cube>div{background-color:initial;float:left;width:50%;height:50%;position:relative;transform:scale(1.1)}.sk-folding-cube>div:before{content:"";transform-origin:100% 100%;background-color:currentColor;width:100%;height:100%;animation:2.4s linear infinite both sk-foldCubeAngle;position:absolute;top:0;left:0}.sk-folding-cube>div:nth-child(2){transform:scale(1.1)rotate(90deg)}.sk-folding-cube>div:nth-child(4){transform:scale(1.1)rotate(180deg)}.sk-folding-cube>div:nth-child(3){transform:scale(1.1)rotate(270deg)}.sk-folding-cube>div:nth-child(2):before{animation-delay:.3s}.sk-folding-cube>div:nth-child(4):before{animation-delay:.6s}.sk-folding-cube>div:nth-child(3):before{animation-delay:.9s}@keyframes sk-foldCubeAngle{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)}}