Key Takeaways Start with basic concepts like selectors, properties, and box model before moving to layouts.Use online tools ...

While HTML is used to structure a web page, including defining elements such as headings and paragraphs and allowing you to embed images, videos, and other media, CSS (Cascading Style Sheets ...

How Do I Create Multiple Fixed Backgrounds in My CSS File?. Cascading Style Sheets (CSS) level 3, also known as CSS3, ... Look for the ID name of your HTML element in the code.

One way to add a background photo to any custom Tumblr theme is to embed a simple CSS tag at the right location in the theme's HTML code. Navigate to Tumblr and log in to your account.