Is box-shadow a new attribute in CSS3?

"box-shadow" is a new attribute of CSS3. The function of the "box-shadow" attribute is to add one or more shadows to the element box. The syntax is "element {box-shadow: horizontal shadow position vertical shadow position blur spread color inset;}".

The operating environment of this tutorial: Windows 10 system, CSS3&&HTML5 version, Dell G3 computer.

Is box-shadow a new attribute of css3?

box-shadow is a new attribute of css3.

The box-shadow property is used to add one or more shadows to a box. The syntax of this attribute is as follows:

box-shadow: h-shadow v-shadow blur spread color inset;

The attribute value is expressed as follows:

The example is as follows:

Output result:

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