Nobody will get a perfect wordpress theme matching their needs. Its possible to change CSS styles to adjust theme layout according to our needs. Most people modify their theme’s stylesheet to make these customizations. If your theme gets updated, you may lose the changes you made. In this case, you may want to create a child theme so that you will not lose any changes. This post is intended for those who wants to add custom css, but do not know how to create child theme. This can also be useful for overriding plugins css styles.
Step 1: Install Simple Custom CSS
Step 2: Add your custom CSS
Save the changes and you are done!
Some themes and plugins may use inline CSS which cannot be overridden using Simple Custom CSS.