.cube-folding {
    width: 50px;
    height: 50px;
    display: inline-block;
    -moz-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    font-size: 0;
}

    .cube-folding span {
        position: relative;
        width: 25px;
        height: 25px;
        -moz-transform: scale(1.1);
        -ms-transform: scale(1.1);
        -webkit-transform: scale(1.1);
        transform: scale(1.1);
        display: inline-block;
    }

        .cube-folding span::before {
            content: '';
            background-color: white;
            position: absolute;
            left: 0;
            top: 0;
            display: block;
            width: 25px;
            height: 25px;
            -moz-transform-origin: 100% 100%;
            -ms-transform-origin: 100% 100%;
            -webkit-transform-origin: 100% 100%;
            transform-origin: 100% 100%;
            -moz-animation: folding 2.5s infinite linear both;
            -webkit-animation: folding 2.5s infinite linear both;
            animation: folding 2.5s infinite linear both;
        }

    .cube-folding .leaf2 {
        -moz-transform: rotateZ(90deg) scale(1.1);
        -ms-transform: rotateZ(90deg) scale(1.1);
        -webkit-transform: rotateZ(90deg) scale(1.1);
        transform: rotateZ(90deg) scale(1.1);
    }

        .cube-folding .leaf2::before {
            -moz-animation-delay: 0.3s;
            -webkit-animation-delay: 0.3s;
            animation-delay: 0.3s;
            background-color: #dedede;
        }

    .cube-folding .leaf3 {
        -moz-transform: rotateZ(270deg) scale(1.1);
        -ms-transform: rotateZ(270deg) scale(1.1);
        -webkit-transform: rotateZ(270deg) scale(1.1);
        transform: rotateZ(270deg) scale(1.1);
    }

        .cube-folding .leaf3::before {
            -moz-animation-delay: 0.9s;
            -webkit-animation-delay: 0.9s;
            animation-delay: 0.9s;
            background-color: #dedede;
        }

    .cube-folding .leaf4 {
        -moz-transform: rotateZ(180deg) scale(1.1);
        -ms-transform: rotateZ(180deg) scale(1.1);
        -webkit-transform: rotateZ(180deg) scale(1.1);
        transform: rotateZ(180deg) scale(1.1);
    }

        .cube-folding .leaf4::before {
            -moz-animation-delay: 0.6s;
            -webkit-animation-delay: 0.6s;
            animation-delay: 0.6s;
            background-color: #c7c6c6;
        }

@-moz-keyframes folding {
    0%, 10% {
        -moz-transform: perspective(140px) rotateX(-180deg);
        transform: perspective(140px) rotateX(-180deg);
        opacity: 0;
    }

    25%, 75% {
        -moz-transform: perspective(140px) rotateX(0deg);
        transform: perspective(140px) rotateX(0deg);
        opacity: 1;
    }

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

@-webkit-keyframes folding {
    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 folding {
    0%, 10% {
        -moz-transform: perspective(140px) rotateX(-180deg);
        -ms-transform: perspective(140px) rotateX(-180deg);
        -webkit-transform: perspective(140px) rotateX(-180deg);
        transform: perspective(140px) rotateX(-180deg);
        opacity: 0;
    }

    25%, 75% {
        -moz-transform: perspective(140px) rotateX(0deg);
        -ms-transform: perspective(140px) rotateX(0deg);
        -webkit-transform: perspective(140px) rotateX(0deg);
        transform: perspective(140px) rotateX(0deg);
        opacity: 1;
    }

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

.cube-wrapper {
    position: fixed;
    left: 50%;
    top: 50%;
    margin-top: -50px;
    margin-left: -50px;
    width: 100px;
    height: 100px;
    text-align: center;
}

    .cube-wrapper:after {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        bottom: -20px;
        margin: auto;
        width: 90px;
        height: 6px;
        background-color: rgba(0, 0, 0, 0.1);
        -webkit-filter: blur(2px);
        filter: blur(2px);
        -moz-border-radius: 100%;
        -webkit-border-radius: 100%;
        border-radius: 100%;
        z-index: 1;
        -moz-animation: shadow 0.5s ease infinite alternate;
        -webkit-animation: shadow 0.5s ease infinite alternate;
        animation: shadow 0.5s ease infinite alternate;
    }

    .cube-wrapper .loading {
        font-size: 12px;
        letter-spacing: 0.1em;
        display: block;
        color: #AAAAAA;
        position: relative;
        top: 25px;
        z-index: 2;
        -moz-animation: text 0.5s ease infinite alternate;
        -webkit-animation: text 0.5s ease infinite alternate;
        animation: text 0.5s ease infinite alternate;
    }

@-moz-keyframes text {
    100% {
        top: 35px;
    }
}

@-webkit-keyframes text {
    100% {
        top: 35px;
    }
}

@keyframes text {
    100% {
        top: 35px;
    }
}

@-moz-keyframes shadow {
    100% {
        bottom: -18px;
        width: 100px;
    }
}

@-webkit-keyframes shadow {
    100% {
        bottom: -18px;
        width: 100px;
    }
}

@keyframes shadow {
    100% {
        bottom: -18px;
        width: 100px;
    }
}

html, body {
    min-height: 100%;
}

body {
    background: #e6e6e6;
    /* fallback for old browsers */
    background: -webkit-linear-gradient(to left, #E6E6E6, #e6e6e6);
    /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to left, #E6E6E6, #e6e6e6);
    /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    font-family: arial;    
}