Opera - CSS

December 2016

Custom styles under Opera!

CSS can be used to change the appearance of a website. Under Opera, it is possible to add your some custom styles to a website..

Locate the style folder

  • The CSS styles are located in a particular folder of Opera. To find this folder:
  • Click on the Opera button > Help > About Opera.
  • Locate the "CSS directory" :

Create your style

Go to the "CSS directory" and create a folder for the site you want to add a custom style.
In our example "CCM".

Put your CSS file with styles,in the CCM folder:
.disc_wait { 
 color: blue !important; 
 font-weight: bold !important; 

Apply the CSS

  • Go to the site (e.g commentcamarche.net in this example) and right click on the page > Edit site preferences.
  • Go to the Display tab.
  • Under "My style sheet", enter the path to your CSS file.
  • Click on OK to validate and reload your page.
  • With the code suggested above, you should see unanswered question of the forum, displayed in bold:

Related :

This document entitled « Opera - CSS » from CCM (ccm.net) is made available under the Creative Commons license. You can copy, modify copies of this page, under the conditions stipulated by the license, as this note appears clearly.