border-bottom-width, border-left-width, border-right-width, border-top-width | NN 4 IE 4 CSS 1
| Inherited: No
Each attribute sets the width of a single border edge of an element. Note that Navigator's initial value is zero, which means that you must set the width for all border attribute settings if you expect to see the border in Navigator. See also the border-width attribute for setting the width of multiple edges in one statement.
CSS Syntax border-bottom-width: thin | medium | thick | length border-left-width: thin | medium | thick | length border-right-width: thin | medium | thick | length border-top-width: thin | medium | thick | length
JavaScript Equivalent borderBottomWidth borderLeftWidth borderRightWidth borderTopWidth
Value Three constants--thin | medium | thick--allow the browser to define exactly how many pixels are used to show the border. For more precision, you can also assign a length value.
Initial Value medium (IE); 0 (NN).
Example H2 {border-bottom-width: 2px} DIV {border-left-width: thin} P.special {border-right-width: 0.5em}
Applies To All elements (CSS and NN); block and replaced elements (IE).
Object Model Reference
IE | [window.]document.all.elementID.style.borderBottomWidth [window.]document.all.elementID.style.borderLeftWidth [window.]document.all.elementID.style.borderRightWidth [window.]document.all.elementID.style.borderTopWidth