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關(guān)于fixed和absolute覆蓋問(wèn)題

關(guān)于fixed和absolute覆蓋問(wèn)題

qq_T毛_0 2017-06-08 17:04:41
<!DOCTYPE html><html lang="en"><head> ? ?<meta charset="UTF-8"> ? ?<title></title> ? ?<style> .container{ ? ? ? ? ? ?width: 800px; height: 1000px; background: #4c77f2; margin: 0 auto; padding-top: 40px; text-align: center; position: absolute; top:40px; } ? ? ? ?.header{ ? ? ? ? ? ?width:100%; position: fixed; height: 40px; background: #414141; text-align: center; font-size: 16px; line-height: 40px; } ? ?</style></head><body><div class="header">這是頁(yè)面頭部</div><div class="container"> 這是頁(yè)面內(nèi)容</div></body></html>
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慕瓜9220888

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反對(duì) 回復(fù) 2021-10-21
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李曉健

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這是因?yàn)閎ody上有默認(rèn)的margin 值;去掉就好了 ? body{margin:0}

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反對(duì) 回復(fù) 2017-06-08
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