<h1 class="pink">neon pink</h1>
<h1 class="red">neon red</h1>
<h1 class="green">neon green</h1>
<h1 class="blue">neon blue</h1>
<h1 class="yellow">neon yellow</h1>

@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 700;
  src: local('Open Sans Bold'), local('OpenSans-Bold'), url(http://themes.googleusercontent.com/static/fonts/opensans/v6/k3k702ZOKiLJc3WVjuplzKRDOzjiPcYnFooOUGCOsRk.woff) format('woff');
}

body{
  background: #000;
  font-family: 'Open Sans', sans-serif;
}

.neonshadow(@sh2: #FF00DE, @sh1: #FFFFFF){
    color: @sh1;
    text-shadow:
    0 0 5px @sh1,
    0 0 10px @sh1,
    0 0 20px @sh1,
    0 0 40px @sh2,
    0 0 80px @sh2,
    0 0 90px @sh2,
    0 0 100px @sh2,
    0 0 150px @sh2;
}

h1{
  text-transform: uppercase;
  text-align: center;
  font-weight: bold;
  font-style: italic;
  font-size: 100px;
}

h1.pink{
  .neonshadow();
}

h1.red{
  .neonshadow(#F00);
}

h1.green{
  .neonshadow(#0F0);
}

h1.blue{
  .neonshadow(#00F);
}

h1.yellow{
  .neonshadow(#FF0);
}