直接附上代码吧，总结理不清思路，做这个案例费了好大力气呢<!DOCTYPE html><html><head><meta charset="UTF-...
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<!DOCTYPE html><html lang="en"><head> <meta charset=&quo...
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> &...
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浮动元素脱离文档流，即使浮动元素设置了高度，也不会撑开其父元素的高度。这时，需要在浮动元素后面加上<div style="clear:both"></div>...
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<!DOCTYPE html> <html> <head> <meta charset="uft-8"> &...
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/*淘宝导航.html*/ <!DOCTYPE html> <html> <head> <meta charset="utf-...
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/*淘宝导航.html*/ <!DOCTYPE html> <html> <head> <meta charset="utf-...
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<!DOCTYPE html><html><head><meta charset="UTF-8"><title>淘宝导航...
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