更多精彩平面及网站设计图文教程、视频教程，尽在PConline创意设计栏目。 三栏布局是目前最常见的网页布局，主要页内容放在中间一栏，边上的两栏放置导航链接之类的内容。基本布局一般是标题之下放置三栏，三栏占据整个页面的宽度，最后在页的底端放置 ...

In the past, many websites used HTML tables to lay out pages because this method produced consistently reliable results in older Web browsers. This was not an ideal solution, as tables are really ...