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Chapter 17. Visual Effects

Chapter 17. Visual Effects

Topics in This Chapter

The set of visual effects properties is designed to enable Web authors to control how text or other Web elements are displayed when they exceed the dimensions of the box within which they are contained. With the introduction of absolute positioning and fixed height and width, it becomes necessary to tell the browser what to do on those occasions when content ends up exceeding its box. The overflow, clip and visibility properties are three recent CSS2 properties introduced in order to aid Web authors in determining how material should be displayed under such circumstances. In addition to these values are three other properties — overflow-x, overflow-y and zoom — introduced by Microsoft in versions of Internet Explorer that further expand the possibilities of positioning elements onscreen. Another Internet Explorer-specific property, ime-mode, provides visual assistance to users seeking to enter Asian characters within forms.


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