HTML&CSS · December 20, 2023

Css Basic: outline-color

CSS Basic: outline-color

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-color, which allows you to specify the color of an outline around an element.

Understanding the outline property

Before diving into outline-color, it's important to understand the outline property as a whole. The outline property is used to create a visible border around an element, outside of the element's border. It is often used to highlight or emphasize an element, such as when a user clicks on a button.

The outline property has three sub-properties: outline-width, outline-style, and outline-color. While outline-width and outline-style determine the thickness and style of the outline, outline-color specifies the color.

Using outline-color

The outline-color property accepts a variety of color values, including named colors, hexadecimal values, RGB values, and HSL values. Here are a few examples:

outline-color: red;
outline-color: #00ff00;
outline-color: rgb(255, 0, 0);
outline-color: hsl(120, 100%, 50%);

By default, the outline-color is set to the color of the text, which means that if you don't specify a color, the outline will be the same color as the text within the element.

Applying outline-color to specific elements

You can apply the outline-color property to specific elements by using CSS selectors. For example, if you want to apply a red outline to all buttons on your website, you can use the following CSS:

button {
  outline-color: red;
}

This will set the outline color of all <button> elements to red.

Summary

In conclusion, the outline-color property in CSS allows you to specify the color of an outline around an element. It is part of the outline property, which also includes outline-width and outline-style. By default, the outline color is the same as the text color within the element. You can apply the outline-color property to specific elements using CSS selectors.

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