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CSS

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HTML 

              
                <div id="cvs">
    <div id="cube">
        
        <div class="cubeface top">
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
        </div>
        <div class="cubeface front">
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
        </div>
        <div class="cubeface right">
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
            <div class="square"></div>
        </div>
        <div class="cubeface back"></div>
        <div class="cubeface left"></div>
        <div class="cubeface bottom"></div>
        
        <div id="minicube">
            <div class="minicubeface top"></div>
            <div class="minicubeface front"></div>
            <div class="minicubeface left"></div>
            <div class="minicubeface right"></div>
            <div class="minicubeface back"></div>
            <div class="minicubeface bottom"></div>
        </div>
    
    </div>
    
</div>
!

CSS 

              
                $cubesize: 150px;
$cSize: $cubesize / 3;
$delay: .06s;

html, body {
    margin: 0;
    height: 100%;
    background: black;
    overflow: hidden;
}

@-webkit-keyframes cubeshake {
    0% { transform: translate3d(-$cubesize/2,-$cubesize,0) rotateX(55deg) rotateZ(45deg); }
    50% { transform: translate3d(-$cubesize/2,-$cubesize,0) rotateX(45deg) rotateZ(45deg); top:55%; }
    100% { transform: translate3d(-$cubesize/2,-$cubesize,0) rotateX(55deg) rotateZ(45deg); }
}
@-webkit-keyframes cubeshakeStart {
    0% { transform: translate3d(-$cubesize/2,-$cubesize,0) rotateX(55deg) rotateZ(45deg); }
    50% { transform: translate3d(-$cubesize/2,-$cubesize,0) rotateX(55deg) rotateY(10deg) rotateZ(45deg); top:55%; }
    100% { transform: translate3d(-$cubesize/2,-$cubesize,0) rotateX(55deg) rotateZ(45deg); }
}

@-webkit-keyframes cubeglow {
    0% { box-shadow: none; }
    50% { box-shadow: inset 0 0 $cSize 5px rgba(255,255,255,.3); }
    100% { box-shadow: none; }
}
@-webkit-keyframes cubeglowStart {
    0% { box-shadow: none; }
    50% { box-shadow: inset 0 0 $cSize 5px rgba(255,255,255,.3); }
    100% { box-shadow: none; }
}

@-webkit-keyframes fall {
    0% { transform: translate3d($cSize*2, 0, $cSize*10); }
    100% { transform: translate3d($cSize*2, 0, 0); }
}
@-webkit-keyframes jump {
    0% { transform: translate3d($cubesize, $cSize, -$cSize) rotateX(0deg) rotateY(0deg) rotateZ(0deg); }
    75% { transform: translate3d($cSize*1.5, $cSize*1.5, $cSize) rotateX(0deg) rotateY(180deg) rotateZ(0deg); }
    100% { transform: translate3d($cSize*1.5, $cSize*1.5, -$cSize*1.5) rotateX(0deg) rotateY(180deg) rotateZ(0deg); }
}

#cvs {
    width: 100%;
    height: 100%;
    perspective: 999999999px;
}

#cube {
    position: absolute;
    height: $cubesize;
    width: $cubesize;
    left: 50%;
    top: 50%;
    transform-style: preserve-3d;
    transform: translate3d(-$cubesize/2,-$cubesize,0) rotateX(55deg) rotateZ(45deg);
    -webkit-animation: cubeshakeStart $delay*5 ease-out;
    -webkit-animation-delay: $delay*4;
}
#cube.full {
    -webkit-animation: cubeshake $delay*5 ease-out;
    -webkit-animation-delay: $delay*7;
}
#cube.shake {
    -webkit-animation: cubeshake $delay*5;
}

.cubeface {
    position: absolute;
    height: $cubesize;
    width: $cubesize;
    transform-style: preserve-3d;
    -webkit-animation: cubeglowStart $delay*5 ease-out;
    -webkit-animation-delay: $delay*4;
}
#cube.full .cubeface {
    -webkit-animation: cubeglow $delay*5 ease-out;
    -webkit-animation-delay: $delay*7;
}

.cubeface.front {
    top: $cubesize;
    transform-origin: top;
    transform: rotateX(-90deg);
}
.cubeface.back {
    transform-origin: top;
    transform: rotateX(-90deg);
}
.cubeface.right {
    left: $cubesize;
    transform-origin: left;
    transform: rotateY(90deg);
}
.cubeface.left {
    transform-origin: left;
    transform: rotateY(90deg);
}
.cubeface.bottom {
    transform: translateZ(-$cubesize);
}

.square {
    opacity: 0;
    position: absolute;
    height: $cSize;
    width: $cSize;
    background: #5e4cba;
    border: ceil($cSize/20) solid black;
    box-sizing: border-box;
    transition: all $delay*3, opacity $delay;
}
.square.visible {
    opacity: 1;
}

#cube.metal .square {
    border: 0;
}
#cube.metal .top .square {
    background: #e2e6e9;
}
#cube.metal .front .square {
    background: #898fbf;
}
#cube.metal .right .square {
    background: #535e8b;
}

.top .square:nth-child(1) { top:0; left:$cSize; }
.top .square:nth-child(2) { top:0; left:0; }
.top .square:nth-child(3) { top:$cSize; left:0; }
.top .square:nth-child(4) { top:$cSize*2; left:0; }

.front .square:nth-child(1) { top:0; left:0; }
.front .square:nth-child(2) { top:$cSize; left:0; }
.front .square:nth-child(3) { top:$cSize*2; left:0; }
.front .square:nth-child(4) { top:$cSize*2; left:$cSize; }
.front .square:nth-child(5) { top:$cSize*2; left:$cSize*2; }

.right .square:nth-child(1) { top:$cSize*2; left:$cSize*2; }
.right .square:nth-child(2) { top:$cSize; left:$cSize*2; }
.right .square:nth-child(3) { top:0; left:$cSize*2; }
.right .square:nth-child(4) { top:0; left:$cSize; }
.right .square:nth-child(5) { top:0; left:0; }
.right .square:nth-child(6) { top:$cSize; left:0; }

#minicube {
    position: absolute;
    width: $cSize;
    height: $cSize;
    transform: translate3d($cSize*2, 0, 0);
    transform-style: preserve-3d;
    transform-origin: 0 0 0;
    -webkit-animation: fall $delay*5 ease-in;
}
#minicube.transition {
    transition: all $delay;
}

.minicubeface {
    position: absolute;
    width: $cSize;
    height: $cSize;
    background: radial-gradient(#5e4cba, #7059e5) center;
    background-size: $cSize*2 $cSize*2;
    border: 1px solid #4f3fa1;
    transform-style: preserve-3d;
    box-sizing: border-box;
    transition: all $delay*8 ease-in, background $delay;
}
.minicubeface.top {
    transform: translate3d(0, 0, $cSize);
}
.minicubeface.front {
    transform-origin: bottom;
    transform: rotateX(-90deg);
}
.minicubeface.left {
    transform-origin: left;
    transform: rotateY(-90deg);
}
.minicubeface.right {
    transform-origin: right;
    transform: rotateY(90deg);
}
.minicubeface.back {
    transform-origin: top;
    transform: rotateX(90deg);
}

#minicube.grow {
    -webkit-animation: jump $delay*8 cubic-bezier(.5,1.2,0,.9);
    transform: translate3d($cSize*1.5, $cSize*1.5, -$cSize*1.5) rotateY(180deg) !important;
    transform-origin: 75% 75% $cSize*.75 !important;
}
#minicube.grow .minicubeface {
    width: $cSize * 1.5;
    height: $cSize * 1.5;
}
#minicube.grow .minicubeface.top {
    transform: translate3d(0, 0, $cSize * 1.5);
}


#cube.metal .minicubeface {
    border: 0;
}
#cube.metal .minicubeface.bottom {
    background: #e2e6e9;
}
#cube.metal .minicubeface.front {
    background: #898fbf;
}
#cube.metal .minicubeface.left {
    background: #535e8b;
}
!

JS 

              
                var c = $('#minicube');
var cubeSize = 150;
var cSize = cubeSize / 3;

var x = cSize * 2;
var y = 0;
var z = 0;
var delay = 60;

function metal() {
    if($('.square').length == $('.square.visible').length) {
        $('#cube').addClass('full');
        setTimeout(function() {
            $('#cube').addClass('metal');
        }, delay * 8);
    }
}

function rX(d) {
    c.toggleClass('transition').css('transform', 'translate3d('+x+'px, '+y+'px, '+z+'px) rotateX('+d+'deg)');
}
function rY(d) {
    c.toggleClass('transition').css('transform', 'translate3d('+x+'px, '+y+'px, '+z+'px) rotateY('+d+'deg)');
}
function rZ(d) {
    c.toggleClass('transition').css('transform', 'translate3d('+x+'px, '+y+'px, '+z+'px) rotateZ('+d+'deg)');
}

function animate() {
    
    var i = 0;
    
    $('.cubeface .square').each(function(key, value) {
        var sq = $(this);
        setTimeout(function() {
            sq.addClass('visible');
            metal();
        }, delay * 2 * (key+1));
    });
    
    // moving left
    setTimeout(function() { rY(-90); }, delay*(i++));
    setTimeout(function() { x -= cSize; rY(0); }, delay*(i++));
    setTimeout(function() { rY(-90); }, delay*(i++));
    // switch
    setTimeout(function() { 
        x -= cSize; 
        rY(0);
        c.css('transform-origin', cSize+'px '+cSize+'px 0');
    }, delay*(i++));
    // moving forward
    setTimeout(function() { rX(-90); }, delay*(i++));
    setTimeout(function() { y += cSize; rX(0); }, delay*(i++));
    setTimeout(function() { rX(-90); }, delay*(i++));
    setTimeout(function() { y += cSize; rX(0); }, delay*(i++));
    setTimeout(function() { rX(-180); }, delay*(i++));
    //switch
    setTimeout(function() { 
        y += cSize;
        z -= cSize;
        rX(0);
        c.css('transform-origin', cSize+'px 0 0');
    }, delay*(i++));
    // moving down
    setTimeout(function() { rX(-90); }, delay*(i++));
    setTimeout(function() { z -= cSize; rX(0); }, delay*(i++));
    setTimeout(function() { rX(-90); }, delay*(i++));
    //switch
    setTimeout(function() { 
        z -= cSize;
        rX(0);
    }, delay*(i++));
    // moving right
    setTimeout(function() { rZ(-90); }, delay*(i++));
    setTimeout(function() { x += cSize; rZ(0); }, delay*(i++));
    setTimeout(function() { rZ(-90); }, delay*(i++));
    setTimeout(function() { x += cSize; rZ(0); }, delay*(i++));
    setTimeout(function() { rZ(-180); }, delay*(i++));
    //switch
    setTimeout(function() { 
        x += cSize;
        y -= cSize;
        rZ(0);
        c.css('transform-origin', '0 0 0');
    }, delay*(i++));
    // moving back
    setTimeout(function() { rZ(-90); }, delay*(i++));
    setTimeout(function() { y -= cSize; rZ(0); }, delay*(i++));
    setTimeout(function() { rZ(-90); }, delay*(i++));
    // switch
    setTimeout(function() { 
        y -= cSize; 
        rZ(0);
        c.css('transform-origin', '0 0 '+cSize+'px');
    }, delay*(i++));
    // moving up
    setTimeout(function() { rY(-90); }, delay*(i++));
    setTimeout(function() { z += cSize; rY(0); }, delay*(i++));
    setTimeout(function() { rY(-90); }, delay*(i++));
    // switch
    setTimeout(function() { 
        z += cSize; 
        rY(0); 
        c.css('transform-origin', '0 '+cSize+'px 0');
    }, delay*(i++));
    // moving left
    setTimeout(function() { rZ(90); }, delay*(i++));
    setTimeout(function() { y+= cSize; rZ(0); }, delay*(i++));
    setTimeout(function() { $('#minicube').addClass('grow'); }, delay*(i++));
}

setTimeout(animate, delay*10);
!
999px

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