*{
padding: 0;
margin: 0;
}
/*网页头部*/
.header{
width: 100%;
height: 100px;
background-color: #07cbc9;
position: fixed;
z-index: 9;
}
.header .logo img{
float: left;
height: 48px;
width: 260px;
margin-top: 26px;
margin-left: 100px;
}
.header .h-nav{
float: right;
height: 100px;
}
.header .h-nav ul{
margin-right: 50px;
}
.header .h-nav ul li{
width: 105px;
float: left;
list-style: none;
font-size: 20px;
color: #fff;
text-align: center;
line-height: 100px;
font-family: "微软雅黑";
}
.header .h-nav ul li:hover{
cursor: pointer;
background-color: #000;
}
/*banner图*/
.banner .pic img{
width: 100%;
height: 700px;
position: relative;
padding-top: 100px;
}
.banner .shade{
position: absolute;
opacity: 0.5;
width: 100%;
height: 700px;
background-color: #000;
z-index: 1;
top: 100px;
}
/*表单*/
.banner .form-menu{
width: 700px;
height: 300px;
z-index: 2;
text-align: center;
position: absolute;
top: 250px;
left: 50%;
margin-left: -350px;
}
.banner .form-menu input,button{
background-color: transparent;
color: #999999;
border: thin solid;
width: 400px;
height: 30px;
margin-top: 20px;
}
.banner .form-menu textarea{
width: 400px;
background-color: transparent;
margin-top: 20px;
color: #999999;
}
.banner .form-menu button{
width: 150px;
}
.banner .form-menu input:hover{
border-color: #07cbc9;
}
.banner .form-menu textarea:hover{
border-color: #07cbc9;
}
.banner .form-menu button:hover{
background-color: #07cbc9;
color: #fff;
border-style: none;
}
/*网页主体*/
.main{
width: 100%;
height: auto;
font-family: "微软雅黑";
}
.main .about{
width: 90px;
height: 30px;
font-weight: bolder;
font-size: 25px;
padding-top: 20px;
padding-bottom: 10px;
line-height: 30px;
margin: 0 auto;
}
.main hr{
width: 20px;
border-color: #07cbc9;
margin: 0 auto;
text-align: center;
}
.main .m-word{
width: 400px;
height: 20px;
text-align: center;
margin: 0 auto;
padding-top: 10px;
color: #999999;
font-weight: bold;
}
.main .m-pic{
width: 100%;
height: 250px;
text-align: center;
margin-top: 20px;
}
.main .m-pic img{
width: 420px;
height: 250px;
}
/*网页底部*/
/*清除浮动*/
.clear{
clear: both;
}
<body>
<!--网页头部-->
<div class="header">
<div class="logo">
<img src="img/logo.png" alt="logo" />
</div>
<div class="h-nav">
<ul>
<li>HOME</li>
<li>ABOUT</li>
<li>GALLERY</li>
<li>FACULTY</li>
<li>EYENUTS</li>
<li>CONTACT</li>
</ul>
</div>
<div class="clear"></div>
</div>
<!-- banner图 -->
<div class="banner">
<div class="pic">
<img src="img/banner3.jpg" />
</div>
<!-- 遮罩 -->
<div class="shade"></div>
<!-- 表单 -->
<div class="form-menu">
<div class="menu-word">
<input type="text" name="name" value=" your Name">
</div>
<div class="menu-word">
<input type="text" name="password" value=" your password" size="16">
</div>
<div class="menu-word">
<input type="text" name="email" value=" your Email">
</div>
<div class="menu-word">
<textarea type="text" name="recommend" placeholder=" To introduce myself" rows="10"></textarea>
</div>
<button>Sure to submit</button>
</div>
</div>
<!--网页主体-->
<div class="main">
<div class="about">ABOUT</div>
<hr/>
<div class="m-word">
He edited the report that was to be presented to the committee at the hearing. They referred their plan to the management.
</div>
<div class="m-pic">
<img src="img/bb3.jpg" align="child" />
</div>
</div>
<!--网页底部-->
<div class="footer"></div>
</body>
3 回答
已采纳
信者得救
TA贡献22条经验 获得超10个赞
因为你把包含文字的父元素那个div的 width 和height设置的太小了，容不下文字了，它就会超出父元素的范围。因为设置了父元素高度，父元素就不会根据子元素调整高度了。
你直接把那个div的height删掉就可以。
慕的地6079101
TA贡献3593条经验 获得超0个赞
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