Before having the control that CSS gives you over text, you were severely limited in how you could present your words. Yeah, you could use the font tag to change. I want to know what is em and how much is it to pixels. I also read somewhere about some ie bug and to overcome that set body font-size to something but couldnt. Set Font Size With Em. To allow users to resize the text (in the browser menu), many developers use em instead of pixels. The em size unit is recommended by the W3C. In this article, we will reconcile the designer’s requirement for accuracy with the user’s need to resize text on demand, arriving at a best practice that. I was using em but facing problem in nested items so I decided to use % as yui suggesting. To change the size of a font, always use percentages as the units. The font-size property is used to modify the size of the displayed font. Absolute lengths (using units like pt and in) should be used sparingly due to their weakness. The above font code sets common properties such as font size, line height, font family, and font color. Here are some more colors to choose from. An initial dash or underscore is guaranteed never to be used in a property or keyword by any current or future level of CSS. Thus typical CSS implementations may not. 15.3.1.3 cursive. Glyphs in cursive fonts, as the term is used in CSS, generally have either joining strokes or other cursive characteristics beyond those of italic. The element is an HTML element name. The property is a CSS property. The value is a CSS value. Multiple styles are separated with semicolon.