The CSS reference

"border-spacing" - css property (v. css 2)

  • To specify the distance between the borders of adjacent cells.
  • Must be a 'border-collapse' : separate borders model.
  • Initial value: 2px 2px
  • The property is inherited
  • HTML usage: 'table' and 'inline-table' elements*
  • Browsers that support the border-spacing - property :
    Internet Explorer Mozilla Firefox Opera Google Chrome Apple Safari

Possible border-spacing values:

Values Comments CSS
length Gives both the horizontal and vertical spacing in a selected unit. 2
length length The first gives the horizontal spacing and the second the vertical spacing, both in a selected unit. 2
inherit Will inherit the value(s) from parent specification. 2

Possible unit identifier:

unit identifier Comments CSS
em The relative unit 'em' is relative to the font size of the element itself. 1
ex The relative unit 'ex' is relative to the font size of the element itself. 1
px Pixels, relative to the viewing device 1
in inches -> 1 inch is equal to 2.54 centimeters. 1
cm centimeters. 1
mm millimeters. 1
pt points -> the points used by CSS2 are equal to 1/72th of an inch. 1
pc picas -> 1 pica is equal to 12 points. 1

Border and border-spacing for a table:

• cell 'height'
cell 'width'
• table 'border' : outset • cell 'border' : inset • table 'border-spacing' : 20px

Property "border-spacing" example:

<html  >
    <script type="text/javascript" >
    <style   type="text/css">
      table { border: outset 10px green;
              border-spacing: 10px;
              height: 200px; width:300px; }
      td { border: inset 8px; border-color: grey;}
  <body >
    <table >
      <tr >
        <td ></td>
        <td ></td>
        <td ></td>
      <tr >
        <td > </td>
        <td ></td>
        <td ></td>

Javascript access:

// To SET values ([o] is the target object)
[o].style.borderSpacing="border-spacing value(s)"
// To GET values you must first get the computed style object
// To get that object in IE or Opera:
var cStyle=[o].currentStyle;
// To get that object in Firefox, Chrome or Safari (w3c-type):
var cStyle=window.getComputedStyle([o],null)
// To GET the property value:;
var value=cStyle.borderSpacing;
/* If only one value is preset:
   1) Opera returns only one value.
   2) IE, Firefox, Chrome and Safari returns a value pair.
IE and Opera will return values in units as set, but
Opera return only integer value(s).
Chrome and Safari returns integer values in pixel(px)
and Firefox returns a float value in pixel(px)*/
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