Skinning compatibility with standard controls
The Basic level provides customization for only basic style properties. Basic skinning is applied to the following browsers: Internet Explorer 6 Internet Explorer 7 in BackCompat mode (see document.compatMode property in MSDN) Opera Safari The Extended level introduces a broader number of style properties on top of basic skinning, and is applied to browsers with rich visual styling control capabilities. The following browsers support Extended skinning: Mozilla Firefox Internet Explorer 7 in Standards-compliant mode (CSS1Compat mode) The following elements can be modified with skins: input select textarea keygen isindex legend fieldset hr a (together with the a:hover, a:visited pseudo-elements)