Editing WordPress themes
Wordpress Editor allows you to edit all theme files in the wordpress including css file.
Steps to edit the WordPress theme
Step 1.Go to the appearance option and click on the editor.
Step 2.Editor page will open.
Step 3.Go to the right bar of the screen. You need to scroll down the screen to see more options.
Step 4.click on the option you want to edit.
Step 4.Now, do the edition as per your requirement and click on the update file.