Custom Radio button background image

custom-radio.scss

  /**
    * fall back in IE < 9
    * Set background alone if using Compass's css sprites, or IE8 will fail
    * all background-image styles, for it doesn't support :checked
    */
  input[type="radio"] {
    display: none;
  }
  input[type="radio"] + label {
    padding-left: 15px;
    background-position: url(icon-radio-sprites.png) no-repeat scroll 0 -588px;
  }
  input[type="radio"]:checked + label {
    background-position: 0 -566px;
  }
  
  /* IE fall back */
  .lt-ie9 {
    input[type="radio"] {
      display: inline;
    }
    input[type="radio"] + label {
      padding-left: 0;
      background: none;
    }
  }