How to use action in css

The action keyword in CSS is used to define the behavior when the mouse hovers or activates an element. Syntax: element:action { style-property: value; }. It can be applied to the :hover and :active pseudo-classes to create interactive effects such as changing the appearance of elements, showing hidden elements, or starting animations.

Usage of action in CSS

The action keyword is used in CSS to define mouseover and activation The behavior of the element. It specifies the style to be applied when the specified event occurs.

Syntax:

<code>element:action {
  style-property: value;
}</code>

Events:

• hover: Mouseover When the element is on
• active:When the element is activated (for example, when the button is clicked)

Usage:

• Change the background color of an element:

<code>button:hover {
  background-color: #00FF00;
}</code>

• Add or remove borders:

<code>a:active {
  border: 1px solid #FF0000;
}</code>

• Change the font size or style of an element:

<code>h1:hover {
  font-size: 1.5em;
  font-weight: bold;
}</code>

• Show hidden elements:

<code>.hidden:hover {
  display: block;
}</code>

• Start animation:

<code>.my-element:active {
  animation: my-animation 2s infinite;
}</code>

Note:

The action keyword can only be used with :hover and :active pseudo-classes.
• The scope of the action keyword is limited to the defined event.
• You can use multiple action keywords to specify different behaviors of elements under different events.

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