ion id="background-video">Background video</option>
    <option id="callbacks">Callbacks</option>
    <option id="continuous-horizontal">Continuous horizontal (premium)</option>
    <option id="continuous-vertical">Continuous vertical</option>
    <option id="parallax">Parallax (premium)</option>
    <option id="cards">Cards 3d (premium)</option>
    <option id="water-effect">Water effect (premium)</option>
    <option id="drop-effect">Drop effect (premium)</option>
    <option id="css3">CSS3</option>
    <