- Inline elements are: span, input, select, strong .... - Block elements are: div, ul, ol, li, dl, dt, dd, h1, h2, p.... - Void elements: br, hr, i, input, link... - img(they are "inline block" elements. This means that they flow inline like text, but also have a width and height like block elements.) - Inline elements do not accept "height" and "width" setttings. - Block elements occupy the whole row, and accept "height" and "width"