Run the following SQL patch:
Code:
INSERT INTO `xcart_config` (`name`, `comment`, `value`, `category`, `orderby`, `type`, `defvalue`, `variants`) VALUES ('css_theme', 'CSS Theme', 'Default', 'Appearance', '0', 'selector', 'Default', 'Default:default\nBlue:Blue\nRed:Red\n');
Open skin1/customer/service_css.tpl
FIND:
Code:
<link rel="stylesheet" type="text/css" href="{$SkinDir}/{#CSSFilePrefix#}.css" />
CHANGE TO:
Code:
<link rel="stylesheet" type="text/css" href="{$SkinDir}/{#CSSFilePrefix#}{if $config.Appearance.css_theme ne 'default'}_{$config.Appearance.css_theme}{/if}.css" />
Then name your css files:
main.css
main_blue.css
main_red.css