The HTML DOM box-shadow property is used for getting or setting the shadow in or around the frame of an element.
Following is the syntax for −
Setting the boxShadow property −
box-shadow: none|h-offset v-offset blur spread color |inset|initial|inherit;
The property values are explained as follows −
| Value | Description |
|---|---|
| none | This is the default value and displays no shadow. |
| h-offset | This specifies how far the shadow will be from horizontal offset. It is a required value and positive value states that the shadow will be from right side of the box while the negative value means it will from left side of the box. |
| v-offset | This specifies how far the shadow will be from vertical offset. It is a required value and positive value states that the shadow will be from bottom side of the box while the negative value means it will from top side of the box. |
| blur | For specifying the blur radius. |
| spread | For specifying the spread radius. |
| color | For specifying the shadow color. |
| inset | This makes the shadow come from outer to inner for an element. |
| initial | For setting this property to initial value. |
| inherit | To inherit the parent property value |
Let us look at an example for the boxShadow property −
Example
<!DOCTYPE html>
<html>
<head>
<style>
#DIV1 {
height: 100px;
width: 100px;
box-shadow: 10px 10px 3px orange;
}
</style>
<script>
function changeBoxShadow(){
document.getElementById("DIV1").style.boxShadow="1px 10px 10px 10px green";
document.getElementById("Sample").innerHTML="The box shadow is changed now ";
}
</script>
</head>
<body>
<div id="DIV1">This is a sample div</div>
<p>Change the above div border width by clicking the below button</p>
<button onclick="changeBoxShadow()">Change Box Shadow</button>
<p id="Sample"></p>
</body>
</html>Output
On clicking the “Change Box Shadow” button −
