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CSS

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HTML 

              
                .container
  .sam.bg
  .sam.body
  .sam.face
  .sam.arm
  .sam.hand
  .text
    p I want 
      strong you
    p for u.s. army
//- a(href="http://s.codepen.io/mephysto/debug/MpGNmQ") check on mobile
!

CSS 

              
                @import url('https://fonts.googleapis.com/css?family=Fjalla+One');
// usage:   @include mdShadowLevel(1);
@mixin mdShadowLevel($level) {
  @if ($level == 5) {
    box-shadow: 0px 40px 70px 0px rgba(0, 0, 0, 0.22),0px 27px 24px 0px rgba(0, 0, 0, 0.2);
  } @else if ($level == 4){
    box-shadow: 0px 25px 55px 0px rgba(0, 0, 0, 0.21),0px 16px 28px 0px rgba(0, 0, 0, 0.22);
  } @else if ($level == 3){
    box-shadow: 0px 17px 50px 0px rgba(0, 0, 0, 0.19),0px 12px 15px 0px rgba(0, 0, 0, 0.24);
  } @else if ($level == 2){
    box-shadow: 0px 6px 20px 0px rgba(0, 0, 0, 0.19),0px 8px 17px 0px rgba(0, 0, 0, 0.2);
  }  @else if ($level == 1){
    box-shadow: 0px 2px 10px 0px rgba(0, 0, 0, 0.16),0px 2px 5px 0px rgba(0, 0, 0, 0.26);
  } @else{ // Aka Level 0:
    box-shadow: 0px 0px 0px 0px rgba(0, 0, 0, 0),0px 0px 0px 0px rgba(0, 0, 0, 0);
  } 
}

$multiply: 0.33;

html{
  font-size: 16px;
}
body{
  height: 100vh;
  background: #fcfbcf;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: 'Fjalla One', sans-serif;
}
.container{
  flex: 0 0 auto;
  width: 1330px * $multiply;
  height: 1790px * $multiply;
  position: relative;
  @include mdShadowLevel(1);
  perspective: 800px;
}
h1{
  margin: 0;
  color: white;
}
.bg{
  background: url("https://s3-ap-southeast-2.amazonaws.com/mephystoprojects/sam/bg.jpg");
  width: 1330px * $multiply;
  height: 1790px * $multiply;
  background-size: cover;
}

.sam{
  position: absolute;
  top: 0;
  left: 0;
}

.body{
  background: url("https://s3-ap-southeast-2.amazonaws.com/mephystoprojects/sam/body.png");
  width: 891px * $multiply;
  height: 779px * $multiply;
  background-size: cover;
    top: 484px * $multiply;
    left: 240px * $multiply;
}
.arm{
  background: url("https://s3-ap-southeast-2.amazonaws.com/mephystoprojects/sam/arm.png");
  width: 313px * $multiply;
  height: 415px * $multiply;
  background-size: cover;
  top: 716px * $multiply;
  left: 292px * $multiply;
  transform-origin: 25% 75%;
}

.hand{
  background: url("https://s3-ap-southeast-2.amazonaws.com/mephystoprojects/sam/hand.png");
  width: 186px * $multiply;
  height: 218px * $multiply;
  background-size: cover;
    top: 628px * $multiply;
    left: 520px * $multiply;
}

.face{
  background: url("https://s3-ap-southeast-2.amazonaws.com/mephystoprojects/sam/face.png");
  width: 478px * $multiply;
  height: 717px * $multiply;
  background-size: cover;
    top: 104px * $multiply;
    left: 394px * $multiply;
}
.text{
  position: absolute;
  bottom: 100px * $multiply;
  left: 0;
  width: 100%;
  p {
    color: #333;
    margin: 0;
    text-align: center;
    text-transform: uppercase;
    font-size: 3rem;
    text-shadow:
    -1px -1px 0 crimson,
    1px -1px 0 crimson,
    -1px 1px 0 crimson,
    1px 1px 0 crimson;
    strong{
      color: crimson;
      text-shadow:
      -1px -1px 0 #333,
      1px -1px 0 #333,
      -1px 1px 0 #333,
      1px 1px 0 #333;
      font-weight: normal;
      font-size: 1.2em;
    }
  }
}
pre{
  padding: 0;
  margin-top: 20px;
  margin-bottom: 0;
}
!

JS 

              
                let sw = 0;
let sh = 0;
let mx = 0;
let my = 0;
let ox = 0;
let oy = 0;

var body = document.querySelector('.body');
var face = document.querySelector('.face');
var arm = document.querySelector('.arm');
var hand = document.querySelector('.hand');
var bg = document.querySelector('.bg');
var text = document.querySelector('.text');
var dist = 0;
const onMouseMove = (ev) => {
  sw = window.innerWidth * 0.5;
  sh = window.innerHeight * 0.5;
  mx = ev.clientX;
  my = ev.clientY;
  ox = ((sw - mx) / -sw).toFixed(2);
  oy = ((sh - my) / -sh).toFixed(2);
  dist = 1 + ((1 - (Math.abs(sw - mx) / sw)) * 1);
  body.style.transform = `translate3d(${ox * 10}px,${oy * 5}px,10px) rotate(${ox * 1.5}deg)`;
  arm.style.transform = `rotate(${ox * 2}deg) translate3d(${ox * 8}px, ${oy * 7}px, ${dist * 30}px)`;
  hand.style.transform = `translate3d(${ox * 10}px,${oy * 8}px, ${dist * 60}px) rotate(${ox * -5}deg)`;
  face.style.transform = `translate3d(${ox * 9}px,${oy * 5}px,25px) rotate(${ox * -3}deg)`;
  text.style.transform = `translate3d(${ox * 2}px,${oy * 2}px,10px)`;
  console.log(`mouse position: x:${mx} y:${my} `)
  console.log(`face position orientation x:${ox} y:${oy} `)
  console.log('arm translation', `rotate(${ox * 2}deg)`)
};

document.body.addEventListener('mousemove', onMouseMove);

window.addEventListener('deviceorientation', function(event) {
  var alpha    = event.alpha;
  var beta     = event.beta;
  var gamma    = event.gamma;
  
  sw = window.innerWidth * 0.5;
  sh = window.innerHeight * 0.5;
  mx = Math.max(1, gamma*100); //ev.clientX;
  my = Math.max(1, beta*100); //ev.clientY;
  ox = ((sw - mx) / -sw).toFixed(2);
  oy = ((sh - my) / -sh).toFixed(2);
  dist = 1 + ((1 - (Math.abs(sw - mx) / sw)) * 1);
  body.style.transform = `translate3d(${ox * 10}px,${oy * 5}px,10px) rotate(${ox * 1.5}deg)`;
  arm.style.transform = `rotate(${ox * 2}deg) translate3d(${ox * 8}px, ${oy * 7}px, ${dist * 30}px)`;
  hand.style.transform = `translate3d(${ox * 10}px,${oy * 8}px, ${Math.max(1, dist * 60)}px) rotate(${ox * -5}deg)`;
  face.style.transform = `translate3d(${ox * 9}px,${oy * 5}px,25px) rotate(${ox * -3}deg)`;
  text.style.transform = `translate3d(${ox * 2}px,${oy * 2}px,10px)`;
});
!
999px

Console