border-left = ...
This field specifies the border width of the left-hand edge of the element only.
You can specify a different border width of each of the four sides of the element.
Specifying a distance value for this field
This field takes a distance value specified with either one or two value elements.
- The first element is a numerical distance value.
- The second, optional element, is a text string containing the units of distance to be applied.
If the units are not specified, the distance is interpreted in pixels {px} by default.
Example
<box border-left = 5> <! specifies 5 pixels as the value for the border-left property. !>
<box border-left = 5,{px}> <! 5 pixels; explicitly stated !>
<box border-left = 20,{%}> <! percentage units !>
<box border-left = 12,{pt}> <! typesetting point units !>
<box border-left = 1.2,{em}> <! multiple of current font size !>