CSS2 box model
Since the introduction of CSS1 in 1996, the W3C organization recommended that the objects on all the web pages are placed in a box (box), and the designer can control the properties of this box by creating definitions, including paragraphs, list, headings. , Pictures and layers
. The box model mainly defines four regions: content, side frame distance (padding), border, and margin. The Sample layer we told above is a typical box. For beginners, they often don't know the hierarchical, relationships and interactions between margin, background-color, background-image, padding, content, border. Here is a 3D schematic of a box model, you want to make your understanding and memory.
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