<script type="text/javascript">
$(function () {
    $('.checkall').click(function () {
        $('.chk').attr('checked', this.checked);
    });
});
</script>

The html:

<input type="checkbox" class="checkall"/>
<input type="checkbox" value="1" class="chk"/>
<input type="checkbox" value="2" class="chk"/>
<input type="checkbox" value="3" class="chk"/>
<input type="checkbox" value="4" class="chk"/>

background

A typical shorthand:

background: #FFFFFF url(image.jpg) no-repeat scroll top left;

Available background properties:

• background-color
  • transparent
  • hexadecimal from #000000 to #FFFFFF
  • predefined colors like: blue, red, green, etc. (with letters)
  • rgb(X,X,X) where X is a number from 0 to 255
• background-image
  • none
  • url(URI) where URI can be relative or absolute path to your image
• background-repeat
  • no-repeat
  • repeat-x
  • repeat-y
  • repeat (includes both: repeat-x and repeat-y)
• background-attachment
  • scroll
  • fixed
• background-position
  • top left
  • top right
  • top center
  • bottom left
  • bottom right
  • bottom center
  • center left
  • center right
  • center center
  • 0 0

Defaults to:

background: transparent none no-repeat scroll 0 0;

That means if you left out any of the properties, the others will have these values.

font

A typical shorthand:

font: normal normal bold 1em/1.2em georgia,"times new roman",serif;

Available font properties:

• font-style
  • normal
  • italic
  • inherit
  • oblique
• font-variant
  • inherit
  • normal
  • small-caps
• font-weight
  • normal
  • bold
  • bolder
  • lighter
  • inherit
• font-size
  • xx-small
  • x-small
  • small
  • medium
  • large
  • larger
  • x-large
  • xx-large
  • number+unit
• line-height
  • normal
  • number+unit
• font-family
  • (list of fonts)

margin and padding

The margin and the padding are the easiest and the rules go clockwise:

margin: (top) (right) (bottom) (left);

A typical shorthands (examples):

This adds 10px margin on all sides of the element:

margin: 10px 10px 10px 10px;

This also, adds 10px margin on all sides of the element

margin: 10px;

This adds 10px margin to top and bottom and a 20px margin to left and right:

margin: 10px 20px;

Also any combination of number and measurement unit is possible.

The same rules apply for padding as well.

border

A typical shorthand:

border: 1px solid blue;

Available border properties:

• border-width: number+unit;
• border-style:
  • solid;
  • dotted;
  • dashed;
  • hidden
  • none
  • double
  • groove etc.
• border-color:
  • none
  • hexadecimal from #000000 to #FFFFFF
  • predefined colors like: blue, red, green, etc. (with letters)
  • rgb(X,X,X) where X is a number from 0 to 255

list-style

A typical shorthand:

list-style: disc outside url(image.gif);

Available list-style properties:

• list-style-type
  • disc
  • square
  • circle
  • decimal
  • georgian
  • etc
• list-style-position
  • inside
  • outside
• list-style-image:
  • none
  • url

Defaults to:

list-style: disc outside none;

There are other shorthand out there, but are less used. Any comments are welcome.

$cfg['LoginCookieValidity'] = 3600 * 3;

This line of code extends your phpmyadmin session for 3 hours.

Make sure your config.inc.php file is writable, to do this change. Then you can make it unwritable again.