HTML elements are represented as rectangular boxes. Each box has optional margin, border, and padding to visually separate its content from other elements’ content. Through CSS, you can manipulate each box area.
Hands On With the CSS Box Model

HTML elements are represented as rectangular boxes. Each box has optional margin, border, and padding to visually separate its content from other elements’ content. Through CSS, you can manipulate each box area.
HTML, CSS, and JavaScript are the most popular programming languages in the world. The web is built on them. Web browsers read and interpret HTML documents enhanced with CSS and JavaScript. While CSS keeps the HTML content looking pretty, JavaScript makes the content dynamic and interactive.
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