1
<layers>
2
<visual>
3
<param name="opacity" type="anim">
4
<duration>0.2</duration>
5
<style>linear</style>
6
<keyframe at="0.0">0.0</keyframe>
7
<keyframe at="1.0">1.0</keyframe>
8
</param>
9
</visual>
10
</layers>