<layers>
	<visual>
	    <param name="rotation_angle" type="anim">
	        <duration>0.5</duration>
			<style>cubicbezier</style>
	        <keyframe at="0.0">90</keyframe>
	        <keyframe at="1.0">0</keyframe>
	    </param>
   	    
	    <param name="rotation_origin_x" ref="visual.width">0.5</param>
	    <param name="rotation_origin_y" ref="visual.height">0.5</param>
	    <param name="rotation_axis_y">-1</param>
	    
	    <param name="opacity" type="anim">
	        <duration>0.5</duration>
			<style>cubicbezier</style>
	        <keyframe at="0.0">0.5</keyframe>
	        <keyframe at="1.0">1.0</keyframe>
	    </param>
	</visual>
</layers>