*,
*:before,
*:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}
body {
  margin: 0;
  height: 100%;
  overflow-y: hidden;
}
#demoContent {
  margin: 0 auto;
}
#demoContent .golden.red {
  background-color: #ff1300;
}
#demoContent .golden.orange {
  background-color: #ff7a00;
}
#demoContent .golden.grey {
  background-color: #666666;
}
#demoContent .golden.blue {
  background-color: #03899c;
}
#demoContent .golden.green {
  background-color: #00c322;
}
#demoContent .golden.darkGrey {
  background-color: #333333;
}