http://www.lotsofthings.co.uk/tag/css.htmlCSS stands for Cascading Style Sheets is system used to style websites and provide them with layout and colouring information. Cascading Style Sheets also provide border, hover events and some behavioural information although this is limited due to the styling only design principles behind Cascading Style Sheets. http://www.lotsofthings.co.uk/link/how-to-theme-wordpress.htmlIf you have every wondered how to theme Wordpress this is one of the best guides on how to theme Wordpress. Wordpress themes can be quite complex to develop if one is unfamiliar to the process. Wordpress themes involves CSS, HTML and PHP.