.sk-folding-cube {
    margin: 20px 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: #679ED6;
        -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: 0.3s;
    animation-delay: 0.3s;
}

.sk-folding-cube .sk-cube3:before {
    -webkit-animation-delay: 0.6s;
    animation-delay: 0.6s;
}

.sk-folding-cube .sk-cube4:before {
    -webkit-animation-delay: 0.9s;
    animation-delay: 0.9s;
}

@-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(0deg);
        transform: perspective(140px) rotateX(0deg);
        opacity: 1;
    }
    90%,
    100% {
        -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(0deg);
        transform: perspective(140px) rotateX(0deg);
        opacity: 1;
    }
    90%,
    100% {
        -webkit-transform: perspective(140px) rotateY(180deg);
        transform: perspective(140px) rotateY(180deg);
        opacity: 0;
    }
}