April 2005
Intermediate to advanced
416 pages
9h 23m
English
Content preview from Cascading Style Sheets: Designing for the Web, Third Edition
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Chapter 3. The Amazing Em Unit and Other Best Practices
This chapter is about writing style sheets with style. By showing you case studies and how they are constructed, we give you a sense of how CSS can encode the visual presentation you want to achieve. More importantly, if you follow the guidelines in this chapter, your documents will behave well on a wide range of Web devices. For example, they will scale gracefully from one screen size to another.
Use ems to make scalable style sheets!
The foremost tool for writing scalable style sheets is the em unit, and it therefore goes on top of the list of guidelines that we compile throughout this chapter: Use ems to make scalable style sheets. Named after the letter “M,” the em unit has a long-standing ...
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