CSS Height and Width

CSS plays a pivotal role in achieving this by allowing developers to control the layout and presentation of web pages. Two fundamental properties that significantly contribute to the overall design are height and width.

Height and width are CSS properties that define the dimensions of an element on a web page. They play a crucial role in shaping the layout and appearance of the content. These properties determine how much space an element occupies in terms of both vertical and horizontal dimensions.

In the below PDF we discuss about  Height and Width  in detail in simple language, Hope this will help in better understanding.


CSS Height:

The height property in CSS determines the vertical size of an element. It can be set in various units, such as pixels, ems, percentages, or viewport height (vh). Understanding how to effectively use the height property is essential for creating visually appealing and responsive web designs.

1.  Fixed Height:
Setting a fixed height using pixels is straightforward but may lead to inflexibility on different screen sizes. For instance:

fixed-height-element {
height: 200px;

2. Percentage Height:
Using percentages allows for relative sizing, making elements adapt to their container. For example:

percentage-height-element {
height: 50%;

3. Viewport Height:
VH units are relative to the height of the viewport. This is particularly useful for creating full-height sections:

full-height-section {
height: 100vh;

CSS Width:

Similar to height, the width property defines the horizontal size of an element. It follows the same principles as height but focuses on the width dimension.

1.  Fixed Width:
Fixed widths in pixels provide precision but may not be suitable for responsive designs:

fixed-width-element {
width: 300px;

2. Percentage Width:
Using percentages for width enables fluidity and responsiveness:

percentage-width-element {
width: 50%;

3. Viewport Width:
VW units are relative to the width of the viewport, making them handy for responsive layouts:

full-width-section {
width: 100vw;

Application of CSS Borders:

  • Card Design:
    Borders are often used to frame card components, providing a clean and organized look to content.
  • Button Styling:
    Applying borders creatively to buttons can enhance their visual appeal and make them stand out.
  • Image Frames:
    Using borders to create frames around images can draw attention to visual elements on a webpage

Related Question

CSS height and width properties are used to define the dimensions of HTML elements. They specify the height and width of elements, allowing for precise control over their size on a web page.

You can set the height and width of an element using the height and width properties in CSS.

CSS allows various units for height and width, such as pixels (px), percentages (%), em units, and more. The choice of unit depends on the design requirements and the context of the web page.

Generally, using negative values for height and width is not recommended, as it can lead to unexpected layout issues. Negative values can result in content overlapping or being positioned outside the visible area of the element.


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