width: 200px;
height: 200px;
var roundFan2 = new zeu.RoundFan(
document.getElementById('round-fan-2'), {
fanColor: 'blue',
centerColor: 'blue',
speed: 1
});
roundFan2.speed = 5;
roundFan2.fanColor = 'red';
roundFan2.centerColor = 'green';