- Categories: CSS Properties, CSS Reference, Reference
Quick Reference
The box-shadow property attaches one or more shadows to an element.
/* horizontal offset, vertical offset, blur radius, color */
div {
box-shadow: 4px 6px 8px #2d2d2d;
}
Values
| Default value | none |
| Inherited values | no |
| Can it be animated? | yes |
These are the allowed values.
| Value | Description |
|---|---|
| none | No shadow is displayed (default) |
| h-offset | The horizontal offset of the shadow; a positive value puts the shadow on the right side of the box, a negative value puts the shadow on the left side of the box (required) |
| v-offset | The vertical offset of the shadow; a positive value puts the shadow below the box, a negative value puts the shadow above the box (required) |
| blur | The blur radius; the higher the number, the more blurred the shadow will be |
| spread | The spread radius; a positive value increases the size of the shadow, a negative value decreases the size of the shadow |
| color | The color of the shadow (the default value is the text color) |
| inset | Changes the shadow from an outer shadow (outset) to an inner shadow |
| initial | Sets this property to its default value |
| inherit | Inherits this property from its parent element |
Using JavaScript
The HTML element can also be styled using JavaScript and the element’s id.
document.getElementById('my_div').style.boxShadow = '4px 6px #2d2d2d';
<button onclick='my_function()'>Click Here</button>
<script>
function my_function() {
document.getElementById('my_div').style.boxShadow = '4px 6px #2d2d2d';
}
</script>
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CSS NOTES:
- The “inherit”, “initial” and “unset” keywords can be used with any CSS property to set its value
- In CSS there are many ways to express a color value in a property
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