- Tags: Border
- Categories: CSS Properties, CSS Reference, Reference
Quick Reference
The border-style property sets the style of all four borders of an element, and can have from one to four values.
/* sets all 4 borders */
div {
border-style: dashed;
}
/* sets the top and bottom border to dashed, and the left and right borders to solid */
div {
border-style: dashed solid;
}
/* sets the top border to dashed, the two side borders to solid,and the bottom border to dotted */
div {
border-style: dashed solid dotted;
}
/* sets the top border to dashed, the right side border to solid,the bottom border to dotted, and the left side border to groove */
div {
border-width: dashed solid dotted groove;
}
Values
| Default value | none |
| Inherited values | no |
| Can it be animated? | no |
These are the allowed values.
| Value | Description |
|---|---|
| none | Specifies no border (default) |
| hidden | The same as “none” (except in border conflict resolution for table elements) |
| dotted | Specifies a dotted border |
| dashed | Specifies a dashed border |
| solid | Specifies a solid border |
| double | Specifies a double border |
| groove | Specifies a 3D grooved border |
| ridge | Specifies a 3D ridged border |
| inset | Specifies a 3D inset border |
| outset | Specifies a 3D outset border |
| 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.borderStyle = 'dashed solid';
<button onclick='my_function()'>Click Here</button>
<script>
function my_function() {
document.getElementById('my_div').style.borderStyle = 'dashed solid';
}
</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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