about区域中间部分布局问题
index.html代码如下:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>2-9页面布局作业</title> <link rel="stylesheet" type="text/css" href="cssFile/headerCss.css"> <link rel="stylesheet" type="text/css" href="cssFile/bannerCss.css"> <link rel="stylesheet" type="text/css" href="cssFile/aboutCss.css"> <link rel="stylesheet" type="text/css" href="cssFile/galleryCss.css"> <link rel="stylesheet" type="text/css" href="cssFile/footerCss.css"> </head> <body> <!--顶部部分--> <div class="header"> <div class="logo"> <img src="images/logo.png"> </div> <div class="nav"> <ul> <li>HOME</li> <li>ABOUT</li> <li>GALLERY</li> <li>FACULTY</li> <li>EVENTS</li> <li>CONTACT</li> </ul> </div> </div> <!--banner部分--> <div class="banner"> <div class="bannerImg"> <img src="images/banner3.jpg"> </div> <div class="ImgLayer"></div> <div class="sendMassage"> <input type="text" name="userName" placeholder=" your Name"> <input type="text" name="userPhone" placeholder=" your Phone"> <input type="text" name="userEmail" placeholder=" your Email"> <input type="text" name="userComment" style=""> <button>SEND MASSAGE</button> </div> </div> <!--ABOUT部分--> <div class="about"> <!--ABOUT顶部--> <div class="about_top"> <label class="title">ABOUT</label> <label class="line"></label> <label class="description">Lorem Ipsum is simply dummy text of the printing and ypesetting industry.Lorem Ipsum has been the industry's standard dummy text ever since the 1500s.</label> </div> <!--ABOUT中间部分--> <div class="about_middle"> <!--左侧部分--> <div class="left"> <div class="word1"> <label>A WORD<br>ABOUT US</label> </div> <div class="word2"> <label>Praesent dignissim viverra est,sed bibendum ligula congue non.Sed ac nislet felis gravida commodo?Suspendisse eget ullamcorper ipsum.Suspendisse diam amet. </label> <div> <button>EXPLORE</button> </div> </div> </div> <!--中间部分--> <div class="center"> <img src="images/bb3.jpg"> </div> <!--右侧部分--> <div class="right"> </div> </div> <div style="clear: both;"></div> <!--ABOUT底部--> <div class="about_bottom"></div> </div> </body> </html>
headerCss.css代码如下:
*{ margin: 0px; padding: 0px; } .header{ width: 100%; height: 100px; background-color: #07cbc9; } .header .logo{ float: left; padding-left: 100px; padding-top: 25px; } .header .nav{ float: right; padding-right: 100px; } .header .logo img{ height: 50px; } .header .nav ul li{ float: left; list-style: none; width: 80px; color: #ffffff; font-weight: bold; line-height: 100px; }
bannerCss.css代码如下:
.banner{ width: 100%; position: absolute; top: 100px; } .bannerImg{ width: 100%; position: absolute; top: 0px; } .bannerImg img{ width: 100%; height: 600px; } .banner .ImgLayer{ width: 100%; height: 600px; top: 100px; left: 0px; background-color: #000; opacity: 0.4; } .banner .sendMassage{ width: 500px; height: 400px; /*background-color: cyan;*/ position: absolute; top: 70px; right: 50%; margin-right: -250px; } .banner .sendMassage input[type="text"]{ width: 496px; height: 50px; margin-top: 30px; font-size: 20px; color: #FFFFFF; line-height: 50px; border: 2px solid #7D7C7F; background-color: transparent; } .banner .sendMassage input[type="text"]:hover{ border: 2px solid #07cbc9; background-color: transparent; } .banner .sendMassage button{ width: 200px; height: 50px; color: #FFFFFF; line-height: 50; margin-top: 30px; margin-left: 150px; font-size: 20px; color: #7D7C7F; line-height: 50px; border: 2px solid #7D7C7F; background-color: transparent; } .banner .sendMassage button:hover{ border: 2px solid #07cbc9; background-color: transparent; }
aboutCss.css代码如下:
.about{ position: absolute; top:705px; width: 100%; /*height: 800px;*/ /*background-color: cyan;*/ } .about .about_top{ padding-top: 20px; margin: 0 auto; width: 500px; height: 100px; background-color: #FFFFFF; text-align: center; } .about .about_top .title{ font-family: "微软雅黑" font-size: 25px; font-weight: bold; } .about .about_top .line{ background-color: #07CBC9; display: block; width: 15px; height: 2px; margin: 3px auto; } .about .about_top .description{ font-family: "微软雅黑"; font-size: 15px; color: #7D7F7C; } .about .about_middle{ margin: 0 auto; padding-top: 20px; width: 1000px; /*height: 250px;*/ background-color: cyan; } .about .about_middle .left{ /*position: absolute;*/ /*position: relative;*/ top: 0px; left: 0px; width: 250px; z-index: 20; } .about .about_middle .left .word1{ font-family: "微软雅黑"; font-size: 30px; } .about .about_middle .left .word2{ padding: 20px; background-color: rgba(255,255,255,0.2); font-family: "微软雅黑" font-size: 15px; border: 1px solid #7D7F7C; } .about .about_middle .left .word2 button{ margin-top: 10px; padding: 15px; background-color: #000; font-size: 20px; color: #FFF; border: 0px; } .about .about_middle .center{ /*position: absolute;*/ /*position: relative;*/ top: 0px; left: 190px; z-index: 10; } .about .about_middle .center img{ width: 600px; height: 400px; } .about .about_middle .right{ /*position: absolute;*/ /*position: relative;*/ top: 0px; right: 0px; width: 120px; height: 100px; background-color: #000 }
当我对 about区域中间部分的 左、中、右三部分都设置绝对定位后三部分是相对与整个about部分的DIV进行分布的。
当不设置定位方式时,三部分就就会在about区域中间部分的DIV进行文档流布局。
是什么原因造成的?
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懒人13
2019-05-27 14:53:01
其它代码均未修改,仅aboutCss.css代码修改如下:
.about{ position: absolute; top:705px; width: 100%; /*height: 800px;*/ /*background-color: cyan;*/ } .about .about_top{ padding-top: 20px; margin: 0 auto; width: 500px; height: 100px; background-color: #FFFFFF; text-align: center; } .about .about_top .title{ font-family: "微软雅黑" font-size: 25px; font-weight: bold; } .about .about_top .line{ background-color: #07CBC9; display: block; width: 15px; height: 2px; margin: 3px auto; } .about .about_top .description{ font-family: "微软雅黑"; font-size: 15px; color: #7D7F7C; } .about .about_middle{ position: relative; margin: 0 auto; padding-top: 20px; width: 1000px; /*height: 250px;*/ background-color: cyan; } .about .about_middle .left{ position: absolute; /* position: relative;*/ top: 0px; left: 0px; width: 250px; z-index: 20; } .about .about_middle .left .word1{ font-family: "微软雅黑"; font-size: 30px; } .about .about_middle .left .word2{ padding: 20px; background-color: rgba(255,255,255,0.2); font-family: "微软雅黑" font-size: 15px; border: 1px solid #7D7F7C; } .about .about_middle .left .word2 button{ margin-top: 10px; padding: 15px; background-color: #000; font-size: 20px; color: #FFF; border: 0px; } .about .about_middle .center{ position: absolute; /*position: relative;*/ top: 0px; left: 190px; z-index: 10; } .about .about_middle .center img{ width: 600px; height: 400px; } .about .about_middle .right{ position: absolute; /*position: relative;*/ top: 0px; right: 0px; width: 120px; height: 100px; background-color: #000 }
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