The display property is the most important CSS property for controlling layout,The display property specifies if/how an element is displayed,Every HTML element has a default display value depending on what type of element it is. The default display value for most elements is block or inline,An inline element does not start on a new line and only takes up as much width as necessary,A block-level element always starts on a new line and takes up the full width available (stretches out to the left and right as far as it can),A block-level element always starts on a new line and takes up the full width available (stretches out to the left and right as far as it can).