CSS Height and Width Dimensions - W3Schools
https://www.w3schools.com/Css/css_dimension.aspCSS height and width Values. The height and width properties may have the following values:. auto - This is default. The browser calculates the height and width; length - Defines the height/width in px, cm etc. % - Defines the height/width in percent of the containing block initial - Sets the height/width to its default value; inherit - The height/width will be inherited from its …