.sk-folding-cube{margin:40px auto;width:40px;height:40px;position:relative;-webkit-transform:rotateZ(45deg);transform:rotateZ(45deg)}.sk-folding-cube .sk-cube{float:left;width:50%;height:50%;position:relative;-webkit-transform:scale(1.1);-ms-transform:scale(1.1);transform:scale(1.1)}.sk-folding-cube .sk-cube:before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background-color:#333;-webkit-animation:sk-foldCubeAngle 2.4s infinite linear both;animation:sk-foldCubeAngle 2.4s infinite linear both;-webkit-transform-origin:100% 100%;-ms-transform-origin:100% 100%;transform-origin:100% 100%}.sk-folding-cube .sk-cube2{-webkit-transform:scale(1.1) rotateZ(90deg);transform:scale(1.1) rotateZ(90deg)}.sk-folding-cube .sk-cube3{-webkit-transform:scale(1.1) rotateZ(180deg);transform:scale(1.1) rotateZ(180deg)}.sk-folding-cube .sk-cube4{-webkit-transform:scale(1.1) rotateZ(270deg);transform:scale(1.1) rotateZ(270deg)}.sk-folding-cube .sk-cube2:before{-webkit-animation-delay:.3s;animation-delay:.3s}.sk-folding-cube .sk-cube3:before{-webkit-animation-delay:.6s;animation-delay:.6s}.sk-folding-cube .sk-cube4:before{-webkit-animation-delay:.9s;animation-delay:.9s}@-webkit-keyframes sk-foldCubeAngle{0%,10%{-webkit-transform:perspective(140px) rotateX(-180deg);transform:perspective(140px) rotateX(-180deg);opacity:0}25%,75%{-webkit-transform:perspective(140px) rotateX(0);transform:perspective(140px) rotateX(0);opacity:1}100%,90%{-webkit-transform:perspective(140px) rotateY(180deg);transform:perspective(140px) rotateY(180deg);opacity:0}}@keyframes sk-foldCubeAngle{0%,10%{-webkit-transform:perspective(140px) rotateX(-180deg);transform:perspective(140px) rotateX(-180deg);opacity:0}25%,75%{-webkit-transform:perspective(140px) rotateX(0);transform:perspective(140px) rotateX(0);opacity:1}100%,90%{-webkit-transform:perspective(140px) rotateY(180deg);transform:perspective(140px) rotateY(180deg);opacity:0}}