CSS Height, Width and Max-width

Guest · Post by **Guest** » Fri Oct 27, 2023 8:21 am

CSS Height, Width and Max-width

The CSS height and width properties are used to set the
height and width of an element.
The CSS max-width property is used to set the maximum width of an element.

This element has a height of 50 pixels and a width of 100%.

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CSS Setting height and width
The height and width properties are used to set the
height and width of an element.
The height and width properties do not include padding, borders, or margins.
It sets the height/width of the area inside the padding, border, and margin of
the element.

CSS 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 parent value

CSS height and width Examples

This element has a height of 200 pixels and a width of 50%

Example
Set the height and width of a <div> element:

div { height:
200px; width: 50%; background-color: powderblue;}

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This element has a height of 100 pixels and a width of 500 pixels.

Example
Set the height and width of another <div> element:

div {
height:
100px; width: 500px; background-color: powderblue;}

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Note: Remember that the height and width properties do not include padding, borders,
or margins! They set the height/width of the area inside the padding, border,
and margin of the element!

Setting max-width
The max-width property is used to set the maximum width of an element.
The max-width can be specified in length values, like px, cm, etc., or in percent (%) of the
containing block, or set to none (this is
default. Means that there is no maximum width).
The problem with the <div> above occurs when the browser window is smaller than the width of
the element (500px). The browser then adds a horizontal scrollbar to the page.
Using max-width instead, in this situation, will improve the browser's handling of small windows.
Tip: Drag the browser window to smaller than 500px wide, to see the difference between
the two divs!

This element has a height of 100 pixels and a max-width of 500 pixels.
Note: If you for some reason use both the
width property and the
max-width property on the same element, and the value of the
width property is larger than the
max-width property; the
max-width property will be used (and the
width property will be ignored).

Example
This <div> element has a height of 100 pixels and a
max-width of 500 pixels:

div {
max-width: 500px;
height:
100px; background-color: powderblue;}

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Try it Yourself - Examples
Set the height and width of elements
This example demonstrates how to set the height and width of different elements.
Set the height and width of an image using percent
This example demonstrates how to set the height and width of an image using a percent value.
Set min-width and max-width of an element
This example demonstrates how to set a minimum width and a maximum width of an element using a pixel value.
Set min-height and max-height of an element
This example demonstrates how to set a minimum height and a maximum height of an element using a pixel value.

Test Yourself With Exercises

Exercise:
Set the height of the <h1> element to "100px".

<style>
h1 {
: 100px;
}
</style>

<body>
<h1>This is a heading</h1>
<p>This is a paragraph</p>
<p>This is a paragraph</p>
</body>

Submit Answer »
Start the Exercise

All CSS Dimension Properties

Property
Description

height
Sets the height of an element

max-height
Sets the maximum height of an element

max-width
Sets the maximum width of an element

min-height
Sets the minimum height of an element

min-width
Sets the minimum width of an element

width
Sets the width of an element

★
+1

Reference: https://www.w3schools.com/css/css_dimension.asp