.checkbox {font-size: 12px;margin-left: 5px;width: 80px;}.gutter {position: relative;height: 16px;width: 145px;margin-top: 10px;background: url( ../utils/slider/images/16sliderbg.png ) repeat-x;}.knob {position: absolute;height: 16px;width: 20px;background: url( ../utils/slider/images/16ball.png ) no-repeat;cursor: pointer;}