关于block之间微小的间距问题
已完成作业如下:
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>CSS网页布局</title> <link rel="stylesheet" type="text/css" href="index.CSS"> </head> <body> <!-- 头部 --> <div class="top"> <div class="header"> <div class="logo"> <img src="images/logo.png" alt="logo"> </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> </div> <!-- 主体 --> <div class="main"> <div class="banner"> <div><img src="images/banner3.jpg"></div> <div class="screen"></div> <form> <input class="input1" type="text" placeholder="your Name"><br> <input class="input1" type="text" placeholder="your Phone" ><br> <input class="input1" type="Email" placeholder="your Email"><br> <textarea placeholder="Write Your Comment Here " maxlength=120></textarea><br> <input class="input2" type="submit" value="SEND MESSAGE"> </form> <div class="clear"></div> </div> <div class="about"> <div class="about-block1"> <div class="tit-about"> ABOUT </div> <label class="blueline"></label> <div class="textbl"> Lorem Ipsum is simply dummy text of the printing and typesetting<br>industry.Lorem Ipsum has been the industry's standard dummy <br>text ever since the 1500s. </div> </div> <div class="about-block2"> <div id="awau">A WORD<br>ABOUT US</div> <div class="explore-box"> <div class="explore-text"> Praesent dignissim viverra est.sed<br> bibendum ligula congue non.SED ac nisl<br> et felis gravida commodo?Suspendisse<br> eget ullamcorper ipsum.Suspendisse<br> diam amet. </div> <div class="explore-button">EXPLORE</div> <div class="bottom-layer"></div> </div> <div class="rightdata"> <div class="num">70000</div> <label class="blueline2"></label> Students </div> <div class="rightdata"> <div class="num">600</div> <label class="blueline2"></label> Faculty </div> <div><img src="images/bb3.jpg"></div> <div class="clear"></div> </div> <div class="about-block3"> <div><img src="images/b1.jpg"></div> <div class="explore-box-2"> <div class="explore-text2"> Library<br> <dl> <dt>Lorem Ipsum is simply dummy test of the printing and typesetting industry</dt> <dd>Lorem Ipsum has been the industry's standard dummy<br> text ever since the 1500s,when an unknown printer took<br>a galley of type and scrambled it to make a type specimen book. </dd> </dl> </div> <div class="explore-button-2">EXPLORE</div> </div> <div><img src="images/b2.jpg"></div> <div class="explore-box-2"> <div class="explore-text2"> Computer lab<br> <dl> <dt>Lorem Ipsum is simply dummy test of the printing and typesetting industry</dt> <dd>Lorem Ipsum has been the industry's standard dummy<br> text ever since the 1500s,when an unknown printer took<br>a galley of type and scrambled it to make a type specimen book. </dd> </dl> </div> <div class="explore-button-2">EXPLORE</div> </div> <div class="explore-box-2"> <div class="explore-text2"> Conference Hall<br> <dl> <dt>Lorem Ipsum is simply dummy test of the printing and typesetting industry</dt> <dd>Lorem Ipsum has been the industry's standard dummy<br> text ever since the 1500s,when an unknown printer took<br>a galley of type and scrambled it to make a type specimen book. </dd> </dl> </div> <div class="explore-button-2">EXPLORE</div> </div> <div><img src="images/b3.jpg"></div> <div class="explore-box-2"> <div class="explore-text2"> Playground<br> <dl> <dt>Lorem Ipsum is simply dummy test of the printing and typesetting industry</dt> <dd>Lorem Ipsum has been the industry's standard dummy<br> text ever since the 1500s,when an unknown printer took<br>a galley of type and scrambled it to make a type specimen book. </dd> </dl> </div> <div class="explore-button-2">EXPLORE</div> </div> <div><img src="images/b4.jpg"></div> <div class="clear"></div> </div> </div> <div class="Gallery"> <div class="Gallery-block1"> <div class="tit-gallery"> Gallery </div> <label class="blueline"></label> <div class="textbl"> Lorem Ipsum is simply dummy text of the printing and typesetting<br>industry.Lorem Ipsum has been the industry's standard dummy <br>text ever since the 1500s. </div> </div> <div class="Gallery-block2"> <div class="G-p"> <img src="images/03-01.jpg"> <div class="G-words">Science Lab</div> </div > <div class="G-p"> <img src="images/03-02.jpg"> <div class="G-words">Indoor Stadium</div> </div> <div class="G-p"> <img src="images/03-03.jpg"> <div class="G-words">Transportation</div> </div> <div class="G-p"> <img src="images/03-04.jpg"> <div class="G-words">Kids Room</div> </div> <div class="G-p"> <img src="images/03-05.jpg"> <div class="G-words">Meditation</div> </div> <div class="G-p"> <img src="images/03-06.jpg"> <div class="G-words">Kid Playground</div> </div> <div class="clear"></div> </div> </div> </div> <!-- 底部 --> <div class="footer"> 2016 immoc.com 京ICP备13046642号 </div> </body> </html>
*{
padding:0;
margin:0;
font-family: "Microsoft YaHei UI"
}
.top{
width: 100%;
height: 100px;
}
.header{
width: 100%;
height: 100px;
background-color: rgb(7,203,201);
position: fixed;
z-index: 3;
}
.clear{
clear: both;
}
.header img{
width:260px;
height:48px;
margin-left: 40px;
margin-top: 26px;
}
.logo{
float:left;
}
.nav{
float:right;
margin-right: 200px;
}
.nav ul li{
float:right;
list-style: none;
width: 80px;
height:100px;
line-height: 100px;
color: rgb(255,255,255);
font-weight: bold;
text-align: center;
}
.nav ul li:hover{
background-color: rgb(0,0,0);
cursor: pointer;
}
.banner{
overflow: hidden;
margin-bottom: 20px;
}
.banner img{
width:100%;
height: 800px;
}
.banner .screen{
position: absolute;
top:100px;
width:100%;
height: 800px;
background-color: rgb(0,0,0);
opacity: 0.5;
}
.banner form{
position: absolute;
left: 50%;
top: 310px;
margin-left: -250px;
width: 502px;
height: auto;
z-index: 1;
}
.banner form .input1{
border-style: solid;
border-width: 1px;
height: 40px;
width: 500px;
border-color: rgb(255,255,255);
color: rgb(255,255,255);
line-height: 40;
margin-top: 20px;
background-color: transparent;
}
.banner form textarea:hover{
border-color: rgb(7,203,201);
}
.banner .input1:hover{
border-color: rgb(7,203,201);
}
.banner form textarea{
border-style: solid;
border-width: 1px;
height: 120px;
width: 500px;
border-color: rgb(255,255,255);
color: rgb(255,255,255);
margin-top: 20px;
text-align: left;
resize: none;
background-color: transparent;
}
.banner form .input2{
border-style: solid;
border-width: 1px;
height: 50px;
width: 120px;
margin-left: 190px;
border-color: rgb(255,255,255);
color: rgb(255,255,255);
line-height: 50px;
margin-top: 20px;
background-color: transparent;
}
.banner form .input2:hover{
border-color: rgb(7,203,201);
background-color: rgb(7,203,201);
}
.about-block1{
width: 800px;
margin: 0 auto;
padding:20px 0;
}
.tit-about{
font-size: xx-large;
font-weight: bolder;
text-align: center;
margin-bottom: 10px;
}
.blueline {
background-color:#07cbc9;
display: block;
width: 40px;
height: 2px;
margin:15px auto;
}
.textbl{
text-align: center;
color: grey;
font-size: small;'
margin-bottom: 20px;
}
.about-block2{
width: 1000px;
margin: 0 auto;
padding-top: 20px;
position: relative;
}
#awau{
font-size: x-large;
float: left;
padding-right: 20px;
font-weight: normal;
text-align: center;
line-height: 40px;
padding-left: 100px;
}
.explore-box{
border-style: solid;
border-color: grey;
border-width: 1px;
height: 250px;
width:300px;
position: absolute;
top:100px;
left: 50px;
float: left;
z-index: 1;
}
.explore-text{
opacity: 10;
margin-top: 30px;
margin-left:20px;
font-size: 14px;
line-height: 20px;
z-index:1 ;
}
.explore-button{
margin-top: 20px;
margin-left: 20px;
padding:10px;
background-color: black;
color: white;
text-align: center;
width: 100px;
z-index: 1;
position: absolute;
}
.explore-button:hover{
color:black;
background-color: white;
border:1px solid;
border-color: black;
cursor: pointer;
}
.bottom-layer{
width:100%;
height: 100%;
background-color:rgb(255,255,255);
position: absolute;
z-index: -1;
opacity: 0.5;
top: 0;
left: 0;
}
.about-block2 img{
width: 500px;
height: 380px;
}
.rightdata{
float: right;
margin-right: 70px;
margin-bottom: 30px;
border-color: rgb(7,203,201);
border-style: solid;
border-width: 1px;
height: 100px;
width: 150px;
text-align: center;
clear: right;
}
.blueline2{
background-color:#07cbc9;
display: block;
width: 40px;
height: 2px;
margin:10px auto;
}
.num{
margin-top: 16px;
font-weight: bold;
height: 20px;
}
.about-block3{
height: 600px;
width: 100%;
margin-top: 60px;
background-color: rgb(7,203,201);
}
.about-block3 img{
float: left;
width: 25%;
height: 300px;
}
.explore-box-2{
box-sizing: border-box;
float: left;
width: 25%;
height: 300px;
color: white;
font-size: large;
padding: 30px;
}
.explore-text2 dt{
padding-top: 10px;
font-size: small;
line-height: 20px;
}
.explore-text2 dd{
padding-top: 10px;
font-size: xx-small;
line-height: 15px;
}
.explore-button-2{
padding:10px;
background-color: black;
color: white;
text-align: center;
width: 100px;
margin:20px auto;
}
.explore-button-2:hover{
border-color: black;
background-color: transparent;
border-width: 1px;
cursor: pointer;
}
.Gallery-block1{
width: 800px;
margin: 0 auto;
padding:20px 0;
}
.tit-gallery{
font-size: xx-large;
font-weight: bolder;
text-align: center;
margin-bottom: 10px;
}
.Gallery-block2{
width: 661px;/*为什么必须比实际需要的宽度大一点点才能容纳得下三个子元素的宽?*/
margin:20px auto;
}
.G-p{
width: 200px;
height:200px;
padding: 10px;
float: left;
}
.G-p img{
width:100%;
height: 80%;
}
.G-words{
text-align: center;
height: 20%;
background-color: black;
color: white;
line-height: 40px;
}
.footer{
width: 100%;
height:60px;
background-color: rgb(7,203,201);
text-align: center;
color: white;
line-height: 60px;
}在Gallery区域图片和底下黑底文字留有一点微小区域,并且父容器的宽要比并排的子元素稍大一点(比如子元素宽是220px,父元素为661)才能一行容纳三个,求老师教我消除Gallery的缝隙
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3回答
img标签默认情况下display:inline-block; img在div中的白边就是因为inline-block;造成的,
所以此时将img的display设置为block;白边就消失了。
display:block ,设置为块儿元素。

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