<!DOCTYPE HTML> <style> @font-face { font-family: Ahem; src: url(../fonts/Ahem.ttf); } html, body { margin: 0; padding: 0; } body { width: 150px } p { margin: 0; background: yellow; color: blue; float: left; width: auto; /* computes to 150px */ font: 12px Ahem; } </style> <!-- In a 150px container, the minimum font size at 15em per line is 10px. This means we map 0px-15px into 10px-15px, so 12px gets mapped to 14px. --> <p>This is tiny bit of text.</p>