Why body is not full height?

Why body is not full height?

By default, both the html element and body element have their height CSS property set to auto. This means they don’t have an explicit height out of the box. They’ll either take up whatever height they are told to be, or they will take up whatever height of the content that is inside them.

What does HTML height 100% do?

Adding min-height:100% then gives you the default height you want body to have and then allows the page dimensions to fill the viewport without content breaking out of the body. This works only because html has derived its height:100% based on the viewport.

How do I get full width in CSS?

Using width, max-width and margin: auto; As mentioned in the previous chapter; a block-level element always takes up the full width available (stretches out to the left and right as far as it can). Setting the width of a block-level element will prevent it from stretching out to the edges of its container.

How do I make my Div 100% height?

If you want to set the height of a or any element, you should set the height of and to 100% too….Such units are called viewport-percentage lengths and are relative to the size of the initial containing block.

1. Viewport-Height is called vh .
2. Viewport-Width is called vw .

What is CSS height?

The height CSS property specifies the height of an element. By default, the property defines the height of the content area. If box-sizing is set to border-box , however, it instead determines the height of the border area.

Can a body element be set to no height in HTML?

With no height value provided for the HTML element, setting the height and/or min-height of the body element to 100% results in no height (before you add content). However, with no width value provided for the HTML element, setting the width of the body element to 100% results in full page width. This can be counterintuitive and confusing.

Why does height 100% not work in CSS?

Then why does height: 100%; not work. When designing a page, you put a div element in it. You want it to occupy the whole window height. In the most natural way, you will add the height: 100% CSS attribute to this Div. However, if you set the width to 100%, the width of this element will immediately expand to the entire horizontal width

Do you have to set height of div to 100%?

In order for the percentage height of your div to work, you must set the height of < body > and < HTML >. As you can see from this demonstration, height: 100%; works. 1. Margins and padding will make scrollbars appear on your page, which may not be what you want.

How to set width and height for full page size in HTML?

However, with no width value provided for the HTML element, setting the width of the body element to 100% results in full page width. This can be counterintuitive and confusing. For a responsive full page height, set the body element min-height to 100vh.