# Using the Simple theme * Copy the theme into the `themes/` directory of your Silverstripe project. If you've named it correctly, there should be a directory called `themes/simple/templates`. * Add the following to your `mysite/_config.php` file. Remove any existing `SSViewer::set_theme` lines. SSViewer::set_theme("simple"); HtmlEditorConfig::get('cms')->setOption('theme_advanced_styles', 'highlight=highlight;no-border=no-border,break=break');