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HTML

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CSS

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JavaScript

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HTML 

              
                <input type="checkbox" id="toggle-1">
<label class="container" for="toggle-1">
  <div class="card front"></div>
  <div class="card back">i am back</div>
</label>
 <h3>Click image to flip</h3>
!

CSS 

              
                /* ==========================================
We use the Checkbox hack to activate the flipping.
No JS needed.
https://css-tricks.com/the-checkbox-hack/

Anything marked 'for codepen' is just for presentation inside of codepen.
========================================== */


body { text-align: center; } /* for codepen*/ 

input[type=checkbox] { 
  /*Hiding the checkbox. We never want to see it.*/
  position: absolute; left: -9999em; 
}

.container {
  /*for codepen*/ 
  margin:2em auto 0;
  
  /*Animation elements*/
  display: block;
  perspective: 600px;
  position: relative;
  transition: all .1s;
  width: 250px; height:250px;
  
  &:hover { 
    /*Make it a little bigger on hover,
    to indicate that it can be clicked on.*/
    transform: scale(1.05,1.05); 
  }
}

.card {
  cursor: pointer; /*Another clue that this can be clicked on*/
  position: absolute; top: 0; left: 0;
  width: inherit; height: inherit; /*Size of the card is set by the container*/
  
  backface-visibility: hidden; /*Makes a card invisible from behind.*/
  transform-style: preserve-3d;
  transition: all .4s ease-in-out;
}
.front {
  /*Background stuffs for codepen*/
  background: url('https://farm2.staticflickr.com/1005/525373055_04e1e02c0b.jpg') no-repeat;
  background-size: cover;
  
  /*Default rotation values*/
  transform: rotateX(0deg) rotateY(0deg);
}
.back {
  background: MediumPurple; /*for codepen*/
  
  visibility: hidden; 
  /*Default rotation value*/
  transform: rotateY(-180deg);
}

/*When the container is clicked the checkbox is marked as checked. This activates the CSS below. */
input[type=checkbox]:checked {
  ~ .container {
    animation: lift .4s linear;
    .card {
      animation: lift-shadow .4s linear;
    }
    .back {
      visibility: visible;
      transform: rotateX(0deg) rotateY(0deg);  
    }
    .front {
      transform: rotateY(180deg);
    }
  }
}

@keyframes lift {
  0% {
    transform: scale(1,1);
  }
  20% {
    transform: scale(1.2,1.2);
  }
  80% {
    transform: scale(1.1,1.1);
  }
  100% {
    transform: scale(1,1);
  }
}
@keyframes lift-shadow {
  0% {
    box-shadow: 0 0 10px rgba(0,0,0,0.6);
  }
  20% {
    box-shadow: 0 0 35px rgba(0,0,0,0.6);
  }
  80% {
    box-shadow: 0 0 35px rgba(0,0,0,0.6);
  }
  100% {
    box-shadow: 0 0 10px rgba(0,0,0,0.6);
  }
}
!

JS
!
999px

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