@import "compass/css3";

*, :before, :after{ @include box-sizing('border-box'); }
body{ padding: 1em; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background: #eee; }

h1{
  font: 300 3em/1em 'Open Sans', sans-serif;
  border-bottom: solid 2px #000;
  margin-bottom: 1em;
  padding-bottom: 1em;
}

.button,
[class*="button-"]{
  position: relative;
  display: inline-block;
  overflow: hidden;
  float: left;
  margin: 0 1em 1em 0;
  padding: 0 4em;
  height: 3.5em;
  font: 300 1em/3.5em 'Open Sans', sans-serif;
  text:{
    decoration: none;
    shadow: 0 1px 3px rgba(black, .35);
  }
  letter-spacing: .08em;
  color: #fff;
  background: #0090C0;
  border: solid 1px #fff;
  border-radius: 2px;
  @include transition(.35s ease all);
  
  &:hover{
    background: #007DA7;
    box-shadow: 0 0 3px rgba(black, .5) inset;
  }
}

.button-hover{
  
  &:hover{ line-height: 9em; }
    
  &:before{
    content: attr(data-text);
    color: #DEEFF5;
    position: absolute;
    top: -2.75em;
  }
}

/*

Inspired by buttons on the new Wacom site
http://www.wacom.com/

This technique uses no extra markup besides an extended class name (.button-hover) & zero javascript

*/