IE8 and below safe hack

ie8safehack.css

/*
 * Result should be modern browsers get a blue background
 * Old browsers (incl IE8 and below) get a red background
 * ref: http://caniuse.com/#feat=css-mediaqueries
 */

html {
  background: red;
}

@media only all {
  html {
    background: blue;
  }
}