This is a sample caption
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Font Color
font_white font_yellow font_red font_blue font_green font_magenta font_black
Font Opacity
Background Color
bg_white bg_yellow bg_red bg_blue bg_green bg_magenta bg_black bg_transparent
Background Opacity
Window Color
window_white window_yellow window_red window_blue window_green window_magenta window_black window_transparent
Window Opacity