2010年2月22日 星期一

Multiple Class / ID and Class Selectors

Can you spot the difference between these two selectors? header.callout { }header .callout { } They look nearly identical, but the top one has no space between “header” and “.callout” while the bottom one does. This small difference makes a huge difference in what it does. To some of you, that top selector may seem like [...] http://tinyurl.com/yc5woya