CSS border-left-width Property

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Example

h1 {
  border-left-style: dashed;
  border-left-width: thin;
}

div {
  border-style: solid;
  border-left-width: 10px;
}





Hello World!

Meaning

The border-left-width property sets the width of an element’s left border.

Default value:medium
Inherited:No
Animatable:Yes
Version:CSS1
JavaScript syntax:
object.style.borderLeftWidth="medium|thin|thick|length|initial|inherit|revert|revert-layer|unset";



Standard Syntax

border-left-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 left border.
thin Specifies a thin left border.
thick Specifies a thick left border.
length 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-left-width: medium;
}
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