Where is the transparency attribute in css

The transparency property in CSS is used to control the transparency of an element, that is, the extent to which the element allows light to pass through. The syntax is: opacity: <value>, which can be a floating point number between 0 (fully transparent) and 1 (fully opaque), or 0.0 or 1.0. This attribute is widely supported by all major browsers.

Transparency attribute in CSS

In CSS, the transparency attribute is used to control the transparency of an element, that is, the element The extent to which light is allowed to pass through. The syntax is:

<code class="css">opacity: <value>;</code>

Where, <value> can be the following values:

• Transparent: 0 or 0.0, completely Transparent, the element cannot be seen
• Opaque: 1 or 1.0, completely opaque, the entire element can be seen
• Float between 0 and 1 Points: Specifies the transparency percentage of the element, for example 0.5 means 50% transparent

Example of transparency value:

• opacity : 0.5; Set the element to 50% transparency
• opacity: 0.25; Set the element to 25% transparency
• opacity: 1; Set an element to be fully opaque

Browser support:

The transparency property is widely supported by all major browsers, including Chrome, Firefox, Safari and Edge.

Usage Notes:

• The transparency attribute can be applied to any HTML element.
• For image elements, the transparency property affects the entire image.
• The transparency property can be combined with other properties (such as background color) to create a variety of visual effects.
• Be careful when using the transparency attribute, it may affect page performance, especially when using higher transparency values.

The above is the detailed content of Where is the transparency attribute in css. For more information, please follow other related articles on the PHP Chinese website!