The WordPress Theme Editor

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In the screenshot above, I've installed a free theme called ColorMag that has plenty of customization options. Sections are added to the Customizer for design features, including a header image, social media, category colors, and a Design Options tab that takes you to more tabs where you can make changes to the design and layout of your site.

Different themes have different customization options, but newer themes seem to be adding more and more of them all the time. If you find a theme you like but it's not quite right, you may find that customizing it gives you exactly the design and layout you need.

The Theme Editor (and Why You Shouldn't Use It)
In your admin screens, you may notice an option called Theme belarus phone number data Editor, which you can access via Appearance > Theme Editor.

This gives you access to the theme files, meaning you can edit them directly.

Don't do it.

Even if you are comfortable writing CSS or PHP, editing the files in your theme this way is a very bad idea, for two reasons:

If you have purchased or downloaded a third-party theme, any changes you make will be lost the next time you update the theme (and you should keep it updated for security reasons ).
More importantly, if you make a change that breaks your site, it won't be tracked and the previous version of the file won't be modified. You could irrevocably break your site.
If you want to edit the theme's code, you should do so using a code editor, and you should not edit your live website's files until you've tested it on a staging site . If you need to edit a third-party theme, you should do so using a child theme. More on both later in this article.

WordPress knows how unsafe it is to use the theme editor: it even warns you when you try to access it.