Why do I use dreamwear8 to edit a webpage and the preview effect is different from the effect in the browser_html/css_WEB-ITnose

Please see the link below for details

http://zhidao.baidu.com/question/478458808.html?quesup2

Reply to discussion (solution)

Is the header added with similar to:

Due to differences in browser kernels, the code you write may vary across browsers and Versions may display differently. . . It depends on whether the browser strictly supports w3c standards. . . Check more

I see there is no difference in the layout up and down?

Did you set clear for the text or the background box?

In this case, you need to wrap both the text and the background box into a div and set clear to the div. Otherwise, only one can survive. And because your text is on top of the box, the box will disappear after the text is cleared. .