-- slogan_text_style column
ALTER TABLE splashes
  DROP COLUMN IF EXISTS splash_text_style;

ALTER TABLE splashes
   ADD COLUMN splash_text_style character varying(20) DEFAULT 'dark';

COMMENT ON COLUMN splashes.splash_text_style
  IS 'Style of splash text';

-- color column
ALTER TABLE splashes
  DROP COLUMN IF EXISTS background_color;

ALTER TABLE splashes
   ADD COLUMN background_color character(6) DEFAULT 'ffffff';

COMMENT ON COLUMN splashes.background_color
  IS 'Background color of top splash';

-- opacity column
ALTER TABLE splashes
  DROP COLUMN IF EXISTS opacity;

ALTER TABLE splashes
   ADD COLUMN opacity SMALLINT DEFAULT 100;

COMMENT ON COLUMN splashes.opacity
  IS 'Opacity of top splash in percents';