HTML (Hypertext Markup Language) is the building block of all websites. It forms the "skeleton," that is, the structure, of any web page.
To learn some basics of using HTML to help in your website maintenance, the following resources are helpful:
CSS (Cascading Style Sheets) is the "skin," or design of a web page. It provides design elements such as font style, size and color, element placement and other aesthetic features.
Knowing the basics of CSS can help you fine-tune your website by allowing customization of the look of your pages. The following resources can help you become familiar with CSS: