Chapter 25. Controlling Design Space with HTML
By default, Web browsers put some extra whitespace between the browser interface and the start of the page. This comes in handy when you have a text-only Web page, but many types of designsespecially liquid layoutsdon't feel right with the extra padding. | FAQWhat happens to the values that the browser doesn't understand?IE and Netscape ignore the attributes that they don't understand, so you aren't really creating compatibility problems by setting all four attributes. |
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You can turn off the extra padding by setting a couple of attributes in the body tag to 0. Which attributes you use depends on the browser. In Internet Explorer, the appropriate attributes are leftmargin and topmargin:
<body leftmargin="0" topmargin="0">
In Netscape browsers, the attributes are marginwidth and marginheight:
<body marginwidth="0" marginheight="0">
If you're smart, you'll use all four:
<body leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
Topic 26).
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