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.main{ height:600px; margin:0 310px 0 210px; background:#9CF}
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设计首页的第一步是设计版面布局。就象传统的报刊杂志编辑一样，我们将网页看作一张报纸，一本杂志来进行排版布局。 虽然动态网页技术的发展使得我们开始趋向于学习场景编剧，但是固定的网页版面设计基础依然是必须学习和掌握的。它们的基本原理是共通的，你可以领会要点，举一反三。qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq1233322222222</div>
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