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我正在使用bootstrap制作网站，并且遇到问题。当我在其中一个div上使用width：100％时，背景颜色不会完全展开为100％。它只扩大到90％左右（左侧5％和右侧5％显示身体背景颜色）。我apppriciate任何帮助。100％宽度未完全扩展至100％
HTML：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width = device-width, initial-scale = 1">
<title>Galaxy</title>
<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="css/bootstrap.css">
<link rel="stylesheet" type="text/css" href="css/style.css">
<style type="text/css">
</style>
<script>
var sound = new Audio();
sound.src = "rick.mp3";
</script>
</head>
<body>
<div id="theCarousel" class="carousel slide" data-ride="carousel">
<ol class="carousel-indicators">
<li data-target="#theCarousel" data-slide-to="0" class="active"></li>
<li data-target="#theCarousel" data-slide-to="1"></li>
</ol>
<div class="carousel-inner">
<div class="item active">
<img src="images/galaxy3.jpg">
<div class="slide1"></div>
<div class="carousel-caption">
<div class="bannertext">
<h1>Santorodesign</h1>
<p>A website made by Michael</p>
<div class="mobileHide"> <button id="headerbutton-nederlands">Nederlands</button></div>
<div class="mobileHide"> <button id="headerbutton-english">English</button></div>
</div>
</div>
</div>
<div class="item">
<div class="slide2"></div>
<img src="images/galaxy2.jpg">
<div class="carousel-caption">
<div class="bannertext2">
<h1>Explore the galaxy<h1>
</div>
</div>
</div>
<a class="left carousel-control" href="#theCarousel" data-slide="prev">
<span class="glyphicon glyphicon-chevron-left"></span>
</a>
<a class="right carousel-control" href="#theCarousel" data-slide="next">
<span class="glyphicon glyphicon-chevron-right"></span>
</a>
</div>
</div>
<div id="firstrow">
<div class="planettext">
Planets
</div>
<div class="planet col-lg-4 col-md-4 col-sm-6 col-xs-12">
<img src="images/mercury.png"> <br>
<a href="#"><button type="submit" class="btn-primary btn-lg">Learn more about Mercury</button></a>
</div>
<div class="planet col-lg-4 col-md-4 col-sm-6 col-xs-12">
<img src="images/earth.png"> <br>
<a href="#"><button type="submit" class="btn-primary btn-lg">Learn more about the Earth</button></a>
</div>
<div class="planet col-lg-4 col-md-4 col-sm-6 col-xs-12">
<img src="images/venus.png"> <br>
<a href="#"><button type="submit" class="btn-primary btn-lg">Learn more about Venus</button></a>
</div>
<div class="planet col-lg-4 col-md-4 col-sm-6 col-xs-12">
<img src="images/mars.png"> <br>
<a href="#"><button type="submit" class="btn-primary btn-lg">Learn more about Mars</button></a>
</div>
<div class="planet col-lg-4 col-md-4 col-sm-6 col-xs-12">
<img src="images/jupiter.png"><br>
<a href="#"><button type="submit" class="btn-primary btn-lg">Learn more about jupiter</button></a>
</div>
<div class="planet col-lg-4 col-md-4 col-sm-6 col-xs-12">
<img src="images/saturn.png"><br>
<a href="#"><button type="submit" class="btn-primary btn-lg">Learn more about Saturn</button></a>
</div>
<div class="planet col-lg-4 col-md-4 col-sm-6 col-xs-12">
<img src="images/uranus.png"><br>
<a href="#"><button type="submit" class="btn-primary btn-lg">Learn more about Uranus</button></a>
</div>
<div class="planet col-lg-4 col-md-4 col-sm-6 col-xs-12">
<img src="images/neptune.png"><br>
<a href="#"><button type="submit" class="btn-primary btn-lg">Learn more about Neptune</button></a>
</div>
<div class="planet col-lg-4 col-md-4 col-sm-6 col-xs-12">
</div>
<div class="planet col-lg-12 col-md-12 col-sm-12 col-xs-12">
<div id="pluto">
<div class="plutotext">
Poor Pluto
</div>
<href="##" onmousedown="sound.play()"><img src="images/pluto.png"></a> <br>
<a href="#"><button type="submit" class="btn-primary btn-lg">Learn more about Pluto</button></a>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="js/bootstrap.min.js"></script>
</body>
</html>
CSS：
html {
margin: 0;
}
body {
background: #DCDCDC;
width: 100%;
margin: 0;
}
.carousel-control.left, .carousel-control.right {
background-image: none
}
#firstrow {
font-size: 2em;
padding: 0px 0 0 0;
width: 100%;
text-align: center;
color: black;
position: relative;
}
#firstrow span {
font-family: Impact, Impact5, Charcoal6, sans-serif;
font-size: 1.3em;
}
#firstrow p {
font-family: Helvetica,
}
@media all and (max-width: 2000px) {
#headerbutton-nederlands {
position: absolute;
bottom: 0px;
right: -90px;
line-height: 40px;
}
}
.planettext {
text-align: center;
font-size: 1.5em;
color: #000;
margin-top: 200px;
margin-bottom: 30px;
width: 100%;
background-color: #DCDCDC;
font-weight: bold;
}
.plutotext {
text-align: center;
font-size: 1.5em;
color: #000;
margin-top: 100px;
margin-bottom: 30px;
width: 100%;
background-color: #D3D3D3;
font-weight: bold;
margin: 00;
}
#pluto {
background-color: #D3D3D3;
height: 550px;
width: 100%;
}
@media all and (max-width: 900px) {
#headerbutton-nederlands { display: none; }
#headerbutton-english { display: none; }
}
@media all and (max-width: 2000px) {
#headerbutton-nederlands {
position: absolute;
bottom: 0px;
right: -70px;
line-height: 40px;
}
}
@media all and (max-width: 1450px) {
#headerbutton-nederlands {
position: absolute;
font-size: 14px;
line-height: 30px;
right: -55px;
}
}
@media all and (max-width: 1200px) {
#headerbutton-nederlands {
font-size: 13px;
line-height: 25px;
right: -55px;
}
}
@media all and (max-width: 1080px) {
#headerbutton-nederlands {
font-size: 10px;
line-height: 20px;
right: -40px;
}
}
@media all and (max-width: 2000px) {
#headerbutton-english {
position: absolute;
bottom: 0px;
right: 100px;
line-height: 40px;
}
}
@media all and (max-width: 1450px) {
#headerbutton-english {
position: absolute;
font-size: 14px;
right: 80px;
line-height: 30px
}
}
@media all and (max-width: 1200px) {
#headerbutton-english {
font-size: 13px;
line-height: 25px;
right: 50px;
}
}
@media all and (max-width: 1080px) {
#headerbutton-english {
font-size: 10px;
line-height: 20px;
right: 50px;
}
}
.planet {
margin-bottom: 30px;
position: relative;
}
.planet img {
height: 300px;
max-width: none;
margin-bottom: 20px;
}
.bannertext {
font-size: 1.3em;
line-height: 15px;
position: relative;
}
.bannertext h1 {
font-size: 2em;
}
.bannertext2 {
font-size: 2em;
}
.mobileShow { display: none;}
.mobileHide { display: inline;}
/* Smartphone Portrait and Landscape */
@media only screen
and (max-device-width : 480px){
.mobileShow { display: inline;}
.mobileHide { display: none;}
.planet img{
height: 200px;
}
}
#headerbutton-nederlands {
position: absolute;
font-weight: bold;
-webkit-border-radius: 5px;
color: white;
background-color: #778899;
width: 13%;
text-align: center;
border: white 2px solid ;
}
#headerbutton-english {
position: absolute;
font-weight: bold;
-webkit-border-radius: 5px;
color: white;
background-color: #778899;
width: 13%;
text-align: center;
border: white 2px solid ;
}
谢谢您的时间。
为什么所有这些媒体查询？ – AVI
也许你可以使用超过100％？ – NathanielSantley