HTML&CSS · December 20, 2023

Css Basic: outline-width

CSS Basic: outline-width

CSS (Cascading Style Sheets) is a powerful tool that allows web developers to control the appearance and layout of their websites. One of the many properties available in CSS is outline-width, which allows you to specify the width of an outline around an element.

Understanding outline-width

The outline-width property is used to set the width of an outline around an element. An outline is a line that is drawn around the outside of an element, and it is typically used to highlight or emphasize the element. The outline is drawn outside the border of the element, and it does not take up any space in the layout of the page.

The outline-width property accepts a variety of values, including:

  • thin: Sets the width of the outline to a thin value.
  • medium: Sets the width of the outline to a medium value.
  • thick: Sets the width of the outline to a thick value.
  • length: Sets the width of the outline to a specific length, such as 2px or 0.5em.

It's important to note that the outline-width property only sets the width of the outline, not the color or style. To set the color of the outline, you can use the outline-color property, and to set the style of the outline, you can use the outline-style property.

Examples

Let's take a look at some examples to better understand how the outline-width property works:

/* Set the outline width to a thin value */
.example {
  outline-width: thin;
}

/* Set the outline width to a specific length */
.example {
  outline-width: 2px;
}

In the first example, the outline width is set to a thin value. This will result in a thin outline around the element. In the second example, the outline width is set to a specific length of 2 pixels. This will result in an outline that is 2 pixels wide.

Summary

The outline-width property in CSS allows you to set the width of an outline around an element. It can be set to a thin, medium, or thick value, or to a specific length. The outline is drawn outside the border of the element and does not affect the layout of the page. To set the color or style of the outline, you can use the outline-color and outline-style properties, respectively.

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