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;
}Default
| 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>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
We’d like to acknowledge that we learned a great deal of our coding from W3Schools and TutorialsPoint, borrowing heavily from their teaching process and excellent code examples. We highly recommend both sites to deepen your experience, and further your coding journey. We’re just hitting the basics here at 1SMARTchicken.