How do I style a module using CSS via the Module Class Suffix? Joomla! 1.5 but can also be used in Joomla! 1.0.x?

If you’ve downloaded a Module and installed in into your Joomla! site and you want to add some custom styling to it you may want to use the “Module Class Suffix” option located in the Module Parameter settings. This Tutorial will direct you step-by-step on how to use the “Module Class Suffix” for a Module(Basic Knowledge of CSS (Cascading Style Sheets) is required)


Locate your Template that you are currently using CSS stylesheet. In the Joomla! Administrator (, select (Extensions->Template Manager) once in the Template Manager select the Radio Button next to you DEFAULT template. Once selected click on the Edit button. Once in the next screen click on the Edit CSS button. Once in the next screen click on the Radio Button next to the DEFAULT templates stylesheet to select it and once again click on the Editbutton. The CSS file will now be editable. At the top of the file add your CSS class. It needs  to be specified in a Unique way in order to use it in the Module Class Suffix.

View Example Below in Red 

table.moduletable-test td{
text-transform: uppercase;
font-size: 12px;
color: #8a4713;


  • Replace test with your custom name
  • Between the {} define the properties for the Class


Click on the SAVE button to save changes to the file once done editing.


Select Extensions->Module Manager now the Module Manager appears.

Example 1



Now select a Module by Clicking on the Module name.

Example 2


Once in the Module settings locate the Module Parameters setting usually on the right hand site of the Screen. Locate the Module Class Suffix setting. Once the setting has been located type in the CSS class in the text field that you have defined in the Default Joomla! template CSS file or a predefined one. Some of the common styles are -blank, -dotted, -photo, -dashed, -black, and lots more. Make sure you include the dash before the style: -blank instead of: blank. Check Screenshot below (we used class -test). Click on SAVE and the style should be applied to the Module.

Example 3

Image Credits: Photo by Isis França on Unsplash.

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