Elgg 1.9 Themes -
To create a theme for Elgg 1.9, you follow the standard plugin creation process as outlined in the Elgg developer guide :
Create a manifest.xml (or elgg-plugin.php in newer versions) to define the theme's name, version, and author. CSS Customization: Elgg 1.9 Themes
Use the vars:compiler hook in your plugin's PHP configuration to override global CSS variables like colors and widths. To create a theme for Elgg 1
Two specific files control the landing page experience for logged-in and logged-out users. Essential Files for Theme Development Essential Files for Theme Development Adding new content
Adding new content to existing views without replacing them.
A solid Elgg 1.9 theme relies on the system's "View" architecture, where plugins can either extend or overload existing files to change the UI.
Follow the example of the Aalborg theme by designing for smaller screens first to ensure accessibility.