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Custom CSS - it’s a style sheet language that helps you control the look of several pages on a website all at once using just a single file. Through of custom CSS, you can change font-family, font-size, line-height, color, background-color, height, width, margin, etc.
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1. Click on "inspect" in the menu that appears after clicking the right mouse button;
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2. Tap on icon “Select an element in the page to inspect it” or use Ctrl+Shift+C ;
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Example: changing color of text in footer.
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Change color from #f66 to #00ff00
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