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.
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).
Examples of block-level elements:
