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HTML

              
                  <div class="hover">
  3D NINTENDO GAMEBOY<br>
  Hover to turn on.</div>
<div class="wrap">
  <div class="cube">
    <div class="side one"></div>
    <div class="side two">
      <div class="deep">◄Off•On►</div>
      <div class="line"></div>
      <div class="line small"></div>
      <div class="line small b"></div>
      <div class="display">
        <div class="line"></div>
        <div class="line t"><span>DOT MATRIX WITH STEREO SOUND</span></div>
        <div class="line d"></div>
        <div class="line e"></div>
        <div class="pwbtn"><span>BATTERY</span></div>
        <div class="innerdisplay">
          <div class="nintendo">Nintendo</div>
          <div class="byrune">By Rune</div>
        </div>
      </div>
      <div class="gbtext">Nintendo<span>GAME BOY<p>TM</p></span>
      </div>
      <div class="crossa"></div>
      <div class="crossb"></div>
      <div class="select"><span>SELECT</span></div>
      <div class="start"><span>START</span></div>
      <div class="btnb"><span>B</span></div>
      <div class="btna"><span>A</span></div>
      <div class="sline a"></div>
      <div class="sline b"></div>
      <div class="sline c"></div>
      <div class="sline d"></div>
      <div class="sline e"></div>
      <div class="sline f"></div>
      <div class="deep b">PHOMES</div>
      
    </div>
    <div class="side three">
      <div class="connector"></div>
    </div>
    <div class="side four">
      <div class="powerbtn"></div>
      <div class="line top"></div>
    </div>
    <div class="side five">
      <div class="connector"></div>
      <div class="volume"></div>
    </div>
    <div class="side six">
      <div class="headphones"></div>
    </div>
  </div>
</div>
              
            
!

CSS

              
                @import url(https://fonts.googleapis.com/css?family=Press+Start+2P);
@import url(https://fonts.googleapis.com/css?family=Ubuntu:500,500italic);
//Thanks Chris Simmons
*{backface-visibility:hidden;} 

$grey: #222;
$gbgrey:#a09f9c;
$wrapsize:300px;
$cubesize:100px;
$opacity:1;
$tempo: 10s;

body{
  background:#222;
  overflow:hidden;
}

.hover{
  font-family: 'Press Start 2P', cursive;
  font-size:10px;
  color:#f2f2f2;
  padding:30px;
  width:12%;
  line-height:20px;
  text-align:center;
}

.wrap{
  height:$wrapsize;
  width:$wrapsize;
  position:absolute;
  left:0;right:0;top:0;bottom:0;
  margin:auto;
  background:$grey;
  perspective: 1000px;
  transition:transform 2s ease;
}

.cube{
  position:absolute;
  left:0;right:0;top:0;bottom:0;margin:auto;
  transition:transform 2s ease;
  transform-style: preserve-3d;
  transform-origin: 50% 50%;
  animation: rotate $tempo infinite;
}

.cube:hover .pwbtn{
  background:darkred;
  box-shadow: inset 1px 1px 5px 0px rgba(0,0,0,0.50);
}

.cube:hover .nintendo{
  top:30px;
}
.cube:hover .byrune{
  top:40px;
}

.side{
  position:absolute;
  border:1px solid rgba(0,0,0,0.05);
  opacity:$opacity;
  filter:alpha(opacity=NaN);
  left:0;right:0;top:0;bottom:0;
  margin:auto;
  height:$cubesize;
  width:$cubesize;
  transform-style: preserve-3d;
  transition: transform 1s ease;
}

.side.one{
  background:$gbgrey;
  border-radius:10px;
  border-bottom-right-radius:30px;
  height:300px;
  width:180px;
  transform: translateZ( -25px );
}
.side.two{
  background: linear-gradient(-55deg, #a09f9c 89%, #6d6b6b 100%);
  border-radius:10px;
  border-bottom-right-radius:30px;
  height:300px;
  width:180px;
  transform: translateZ( 25px );
  
}
.side.three{
  background:$gbgrey;
  height:280px;
  width:50px;
  top:10px;
  bottom:10px;
  transform: rotateY( -90deg ) translateZ( 90px ); 
}
.side.four{
  background:$gbgrey;
  height:50px;
  width:165px;
  transform: rotateX( 90deg ) translateZ( 150px );
}
.side.five{
  background:$gbgrey;
  height:265px;
  width:50px;
  bottom:25px;
  top:10px;
  transform: rotateY( 90deg ) translateZ( 90px );
}
.side.six{
  background:$gbgrey;
  height:50px;
  width:145px;
  right:25px;
  left:10px;
  transform: rotateX( -90deg ) translateZ( 150px );
}

.deep, .deep.b{
  position:absolute;
  text-align:center;
  left:20px;
  height:8px;
  width:25px;
  background:#b5b4b0;
  border-radius:10px;
  box-shadow: inset 0px 3px 5px 0px rgba(0,0,0,0.22);
  font-size:5px;
  line-height:8px;
  color:$gbgrey;
}
.deep.b{
  bottom:1px;
  left:80px;
}

.line{
  position:absolute;
  top:10px;
  width:100%;
  height:2px;
  background:#d5d4ce;
  box-shadow: 1px 1px 1px grey;
  opacity:.3;
  filter:alpha(opacity=30);
}

.line.small, .line.small.b{
  width:2px;
  height:9px; 
  top:0;
  left:10px;
  box-shadow: 1px 0px 4px;
}

.line.small.b{
  left:initial;
  right:10px;
}

.display .line{
  background:#800050;
   box-shadow: 0px 0px 0px;
  width:40px;
  height:2px;
  top:5px;
  left:5px;
}
.display .line.t{
  background:#0e0050;
  box-shadow: 0px 0px 0px;
  width:40px;
  height:2px;
  top:8px;
  left:5px;
}

.display .line.t span{
  position:absolute;
  width:100px;
  left:45px;
  top:-3px;
  font-size:4px;
  color:lightgray;
  font-weight:100;
}

.display .line.d{
  width:23px;
  left:initial;
  right:5px;
}

.display .line.e{
  background:#0e0050;
  width:23px;
  top:8px;
  left:initial;
  right:5px;
}

.display{
  position:absolute;
  left:0;right:0;top:25px;margin:auto;
  border: 1px solid gray;
  border-radius:5px;
  border-bottom-right-radius:30px;
  height:115px;
  width:150px;
  background:#535360;
}

.pwbtn{
  position:absolute;
  left:7px;
  top:30px;
  height:5px;
  width:5px;
  border-radius:5px;
  background-color:#222;
}

.pwbtn span{
  font-size:4px;
  color:gray;
  margin-left:-2px;
  margin-top:-2px;
}

.innerdisplay{
  position:absolute;
  top:0;bottom:0;left:0;right:0;margin:auto;
  border: 1px solid black;
  height:80px;
  width:90px;
  background:#606d01;
  box-shadow: inset 10px 7px 5px -6px rgba(0,0,0,0.45);
  text-align:center;
  overflow:hidden;
}

.nintendo, .byrune{
  position:absolute;
  width:70px;
  height:17px;
  left:0;right:0;top:-20px;margin:auto;
  font-family: 'Press Start 2P', cursive;
  font-size:7px;
  color:#222;
  border-radius:10px;
  transition:top 2s linear;
}
.byrune{
  top:-10px;
  font-size:6px;
}

.gbtext{
  position:absolute;
  display:inline-block;
  top:142px;
  left:15px;
  font-size:9px;
  color:#170079;
  font-family: 'Ubuntu', sans-serif;
}

.gbtext span{
  font-size:11px;
  font-family: 'Ubuntu', sans-serif;
  font-style:italic;
}

.gbtext span p{
  position:absolute;
  bottom:-5px;
  right:-8px;
  font-size:5px;
  font-style:initial;
}

.crossa, .crossb{
  position:absolute;
  border-radius:3px;
  box-shadow:1px 1px 1px ;
  width:40px;
  height:15px;
  background:#111;
  bottom:93px;
  left:15px;
  transform:translateZ(4px);
}

.select, .start{
  position:absolute;
  bottom:45px;
  left:65px;
  width:20px;
  height:4px;
  background:grey;
  font-size:5px;
  transform:rotate(-15deg);
  box-shadow: 0px 0px 5px #222;
  transform:translateZ(4px) rotate(-15deg);
}

.select span, .start span{
  color:#170079;
  position:absolute;
  top:7px;
  left:2px;
}

.start{
  left:95px;
}

.crossb{
  bottom:80px;
  left:27px;
  height:40px;
  width:15px;
}

.btna, .btnb{
  position:absolute;
  right:10px;
  bottom:90px;
  height:28px;
  width:28px;
  border-radius:20px;
  background:#7a2859;
  box-shadow: inset 2px 2px 5px 0px rgba(255,255,255,0.21);
}

.btnb{
  right:48px;
  bottom:77px;
}
.btna span, .btnb span{
  color:#170079;
  position:absolute;
  top:30px;
  left:22px;
  font-family: 'Ubuntu', sans-serif;
  font-size:9px;
  transform:rotate(-28deg);
  text-shadow: 1px 1px 2px grey;
}

.sline{
  position:absolute;
  height:2px;
  width:26px;
  border-radius:2px;
  background:gray;
  bottom:13px;
  right:30px;
  transform:rotate(55deg);
}

.sline.b{right:24px;bottom:18px;}
.sline.c{right:18px;bottom:22px;}
.sline.d{right: 12px;bottom:27px;}
.sline.e{right:6px;bottom:31px;}
.sline.f{right:0px;bottom:36px;}

.powerbtn{
  position:absolute;
  height:10px;
  width:10px;
  background:grey;
  bottom:20px;
  right:10px;
  border-radius:10px;
}

.volume, .connector{
  position:absolute;
  left:25px;
  top:70px;
  height:20px;
  width:10px;
  background:#000;
}

.volume{
  top:40px;
  width:5px;
}

.headphones{
  height:10px;
  width:10px;
  border-radius:10px;
  background:#222;
  top:0;left:0;right:0;margin:auto;
}

@keyframes rotate{
  0%{transform: rotateY( 0deg ) rotateX( 0deg );transform: rotateY( 0deg ) rotateX( 0deg );}
  20%{transform:  rotateX( 20deg )rotateY( 30deg );transform:  rotateX( 20deg )rotateY( 30deg );}
  50%{}
  80%{transform: rotateX( -30deg )rotateY( -30deg );transform: rotateX( -30deg )rotateY( -30deg );}
  100%{transform: rotateY( 0deg ) rotateX( 0deg );transform: rotateY( 0deg ) rotateX( 0deg );}
  }
              
            
!

JS

              
                
              
            
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