The width CSS property sets an element's width . By default, it sets the width of the content area, but if box-sizing is set to border-box, it sets the width of the border area. The length, width and height are the dimensions of a geometrical figure that depict how long, wide and high a figure is. Learn more about the length width height of figures, with examples. Breadth vs. Width What's the Difference? Breadth and width are two terms used to describe the dimensions of an object or space. Breadth refers to the measurement of the distance from one side to the other, typically in a horizontal or lateral direction. It is often used to describe the extent or range of something. On the other hand, width specifically refers to the measurement of the distance from one side to the other in a perpendicular or vertical direction. While both terms are related ... Controlling Element Width with CSS ` width `: Pixels, Percentages, and Auto Learn how to effectively control the width of HTML elements using the CSS ` width ` property. This tutorial explains different ` width ` values (pixels, percentages, `auto`), demonstrates their application, and highlights best practices for creating flexible and responsive web layouts.