CSS border-top-width Property
Example
h1 {
border-top-style: dashed;
border-top-width: thick;
}
div {
border-style: solid;
border-top-style: dotted;
border-top-width: thin;
}
Hello World!
Meaning
The border-top-width CSS property sets the width of the top border of an element.
Default value: | medium |
Inherited: | No |
Animatable: | Yes |
Version: | CSS1 |
JavaScript syntax: |
|
Standard Syntax
border-top-width: medium|thin|thick|length|initial|inherit|revert|revert-layer|unset;
Browser Support
The numbers in the table specify the first browser version that fully supports the property.
Status
Property Values
The following table describes the values of this property.
Value | Description |
---|---|
medium | This is default. Specifies a medium top border. |
thin | Specifies a thin top border. |
thick | Specifies a thick top border. |
length | Specifies a length value in px, pt, cm, em, etc. Negative values are not allowed. |
initial | Sets this property to its default value. |
inherit | If specified, the associated element takes the computed value of its parent element animation-delay property. |
revert | Reverts the cascaded value of the property from its current value to the value the property |
revert-layer | Rollback styles to the ones specified in previous cascade layers. |
unset | Resets a property to its inherited value if the property naturally inherits from its parent, and to its initial value if not. |
Default CSS Property Values
selectors {
border-top-width: medium;
}