6 "contentsOpaque": true,
10 "position": [250, 250],
12 "contentsOpaque": true,
14 "backgroundColor": "#0000FF"
25 "contentsOpaque": true,
31 "position": [250, 250],
33 "contentsOpaque": true,
35 "backgroundColor": "#0000FF"
38 "position": [100, 100],