CodePen

HTML

            
              <a href="#" class="button blue">
  Find Out<br>More
</a>

<a href="#" class="button yellow">
  Pre-Order<br>Now
</a>
            
          
!

↑ Insert the most common viewport meta tag

CSS

            
              .button {
  text-decoration: none;
  color: white;
  padding: 10px;
  text-transform: uppercase;
  display: inline-block;
  text-shadow: -2px 2px 0 rgba(black, 0.2);
  font-weight: bold;
  padding-right: 50px;
  margin: 10px;
  &.blue {
    @include background(linear-gradient(
       top, #a2d3e9, #7abedf
    ));
    box-shadow:
      -1px 0px 1px #6fadcb, 0px 1px 1px #54809d,
      -2px 1px 1px #6fadcb, -1px 2px 1px #54809d,
      -3px 2px 1px #6fadcb, -2px 3px 1px #54809d,
      -4px 3px 1px #6fadcb, -3px 4px 1px #54809d,
      -5px 4px 1px #6fadcb, -4px 5px 1px #54809d,
      -6px 5px 1px #6fadcb,
      
      -6px 7px  0 rgba(black, 0.05),
      -5px 8px  0 rgba(black, 0.05),
      -3px 9px  0 rgba(black, 0.04),
      -2px 10px 0 rgba(black, 0.04),
      -1px 11px 0 rgba(black, 0.03),
       0px 12px 0 rgba(black, 0.03),
       1px 13px 0 rgba(black, 0.02),
       2px 14px 0 rgba(black, 0.02),
       3px 15px 0 rgba(black, 0.01),
       4px 16px 0 rgba(black, 0.01),
       5px 17px 0 rgba(black, 0.01),
       6px 18px 0 rgba(black, 0.01),
    
    inset 0 4px 5px -2px rgba(white, 0.5),
    inset 0 1px 0 0 rgba(black, 0.3);
    
  }
  &.yellow {
    @include background(linear-gradient(
       top, #f2d851, #ecc92b
    ));
    color: black;
    text-shadow: -2px 2px 0 rgba(white, 0.3);
    box-shadow:
      -1px 0px 1px #d9b826, 0px 1px 1px #b1961d,
      -2px 1px 1px #d9b826, -1px 2px 1px #b1961d,
      -3px 2px 1px #d9b826, -2px 3px 1px #b1961d,
      -4px 3px 1px #d9b826, -3px 4px 1px #b1961d,
      -5px 4px 1px #d9b826, -4px 5px 1px #b1961d,
      -6px 5px 1px #d9b826,
      
      -6px 7px  0 rgba(black, 0.05),
      -5px 8px  0 rgba(black, 0.05),
      -3px 9px  0 rgba(black, 0.04),
      -2px 10px 0 rgba(black, 0.04),
      -1px 11px 0 rgba(black, 0.03),
       0px 12px 0 rgba(black, 0.03),
       1px 13px 0 rgba(black, 0.02),
       2px 14px 0 rgba(black, 0.02),
       3px 15px 0 rgba(black, 0.01),
       4px 16px 0 rgba(black, 0.01),
       5px 17px 0 rgba(black, 0.01),
       6px 18px 0 rgba(black, 0.01),
    
       inset 0 4px 5px -2px rgba(white, 0.5),
       inset 0 1px 0 0 rgba(black, 0.3);
     &:after, &:before {
        background: black; 
     }
     &:after {
    @include filter(drop-shadow(-2px 0 0 rgba(white, 0.4))); 
     }
     &:before {
      @include filter(drop-shadow(0 -2px 0 rgba(white, 0.35)));  
    }
    .arrow {
       @include filter(drop-shadow(-2px 0 0 rgba(white, 0.4))); 
    }
  }
  @include transition(all 0.1s linear);
  @include transform(translateZ(0));
  &:active {
    box-shadow: none;
    @include transform(translate3d(
       -6px, 6px, 0
    ));
  }
  .arrow {
    @include filter(drop-shadow(-2px 0 0 rgba(black, 0.2))); 
  }
  &:after {
    @include filter(drop-shadow(-2px 0 0 rgba(black, 0.2))); 
  }
  &:after, &:before {
    position: absolute;
    content: " ";
    right: 15px;
    top: 14px;
    width: 6px;
    height: 18px;
    background: white;
    @include transform(rotate(-45deg));
    display: block;
    z-index:2;
  }
  &:before {
    height: 14px;
    top: 26px;
    right: 16px;
    z-index:3;
    @include transform(rotate(-137deg));
    @include filter(drop-shadow(0 -2px 0 rgba(black, 0.15))); 
  }
  /*
  Kinda replicates keyline but looks dumb.
  @include filter(
    drop-shadow(0 1px 0 rgba(blue, 0.2))
    drop-shadow(0 -1px 0 rgba(blue, 0.2))
  );
  */
}

body {
  padding: 50px;
}
            
          
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JS

            
              /*
http://bergcloud.com/

psuedo elementized by
http://codepen.io/neilkinnish/pen/IElKp
*/
            
          
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Must be a valid URL.
+ add another resource
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