
CSS is an acronym for Cascading Style Sheets. A CSS stores style information (like fonts, colors and layout) separate from your HTML structure and makes your pages faster and easier to update.
More questions about CSS?
Although you can modify a theme’s CSS directly, when the theme is updated, your modifications will be lost. As such you’re best to add custom CSS to your theme from “Appearance Customize Screen” by choosing the “Additional CSS” tab.
Important note
Custom CSS is tied to your theme, if you change to a new theme, your custom CSS styles will no longer be active.
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