Adjust style for language selector

Greetings, I'm using Evolve on a Drupal installation with 2 languages and I would like to change the appearance of the language block. By default, the flags for each language are on top of each other (like list items), but I would like to have them side-by-side. I've tried adjusting the css for this block but without success. Can you please advise on how to make this change and where to adjust the corresponding css/code? Should i use the custom.less file? Thank you in advance
You can add your custom css to any file under evolve/lessc folder. Or you can add your custom less file by following: Create a file called custom.less in less folder and declare it in .info file. lessc[] = lessc/custom.less After that, clear cache and add your custom style in that file. Thanks!
Thank you for your quick reply. I'll use the custom.less option then, to preserve changes in case of future updates to the theme. Best regards
Thank you, pmz.