Quick Reference
The border-top-style property sets the style of an element’s top border to dotted, dashed, solid, double, etc.
div {
border-top-style: dashed;
}Default
| 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.borderTopStyle = 'dashed';<button onclick='my_function()'>Click Here</button>
<script>
function my_function() {
document.getElementById('my_div').style.borderTopStyle = 'dashed';
}
</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.