Update subtitle.py

subtitle.py

@@ -134,8 +134,8 @@ WrapStyle: 2
 [V4+ Styles]
 Format: Name,Fontname,Fontsize,PrimaryColour,SecondaryColour,OutlineColour,BackColour,Bold,Italic,Underline,StrikeOut,ScaleX,ScaleY,Spacing,Angle,BorderStyle,Outline,Shadow,Alignment,MarginL,MarginR,MarginV,Encoding
 
-Style: Arabic,{font_name},120,&H00FFFFFF,&H000000FF,&H18000000,&H00000000,0,0,0,0,100,100,0,0,1,0.5,2,2,0,0,0,1
-Style: Translation,Arial,34,&H00FFFFFF,&H000000FF,&H18000000,&H00000000,0,0,0,0,100,100,0,0,1,0.3,2,2,0,0,0,1
+Style: Arabic,{font_name},{arabic_font_size},&H00FFFFFF,&H000000FF,&H18000000,&H00000000,0,0,0,0,100,100,0,0,1,0.5,2,2,0,0,0,1
+Style: Translation,Arial,{translation_font_size},&H00FFFFFF,&H000000FF,&H18000000,&H00000000,0,0,0,0,100,100,0,0,1,0.3,2,2,0,0,0,1
 
 [Events]
 Format: Layer,Start,End,Style,Name,MarginL,MarginR,MarginV,Effect,Text