Draw border on the inside of an element

The element will not be composed of the (width value) + (padding value) +(border width value) but rather the value declared for css width property itself.

   -moz-box-sizing:    border-box;
   -webkit-box-sizing: border-box;
    box-sizing:        border-box;

http://www.soyoucode.com/2012/quick-tip-draw-border-element-css

Pro and cons of the use of border-box

http://www.smashingmagazine.com/2012/06/14/coding-qa-with-chris-coyier-box-sizing-and-css-sprites/

Tvinge CSS til at reloade

Input (+1 time CET)

href="style.css?<?php $time = date("H:i:s", time()+3600); echo $time; ?>"

Output

href="style.css?21:10:12"

Tømme cache

<!-- empty cache -->
    <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
    <meta http-equiv="Pragma" content="no-cache" />
    <meta http-equiv="Expires" content="0" />
<!-- empty cache end -->

Alternativt – tilføje dato til title tag

 <title><?php $time = date("H:i:s", time()+3600); echo $time; ?> - <?php wp_title( '|', true, 'right' ); ?></title>