我的问题是我的行有背景,我从来没有为那些指定背景颜色。我尝试为每个作为文本的cols创建一个类,因此它们具有不同的bg,并将其他col单元格保持为空透明bg。
但这是我得到的: my problme
这是我的代码
<!DOCTYPE html>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="">
<meta name="author" content="">
<title>Imprimerie Serval</title>
<link href="css/bootstrap.css" rel="stylesheet">
<link href="css/full.css" rel="stylesheet">
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
<![endif]-->
<!-- Navigation -->
<nav class="navbar navbar-inverse navbar-fixed-top" role="navigation">
<div class="container">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="#"><img src="logo600s.svg" height="175" width="175" style="float:left;"></a>
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<li>
<a href="#">Acceuil</a>
</li>
<li>
<a href="#">Services</a>
</li>
<li>
<a href="#">Contactez-Nous</a>
</li>
</ul>
</div>
<!-- /.navbar-collapse -->
</div>
<!-- /.container -->
</nav>
<!-- page content here! -->
<div class="container" id="mainpage">
<div class="row">
<div class="col-lg-4">
</div>
<div class="col-lg-4">
</div>
<div class="greenbg col-lg-4">
<p>tete</p>
</div>
</div>
<div class="row">
<div class="col-lg-4">
</div>
<div class="graybg col-lg-4">
<p>tete</p>
</div>
<div class="col-lg-4">
</div>
</div>
<div class="row">
<div class="whitebg col-lg-4">
<p>tete</p>
</div>
<div class="col-lg-4">
</div>
<div class="col-lg-4">
</div>
</div>
</div>
<!-- jQuery -->
<script src="js/jquery.js"></script>
<!-- Bootstrap Core JavaScript -->
<script src="js/bootstrap.min.js"></script>
这是我的CSS:
body {
margin-top: 50px; /* Required margin for .navbar-fixed-top. */
}
.full {
background: url(../images/maintoppagenb.jpg) no-repeat center center fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
background-size: cover;
-o-background-size: cover;
}
@media(min-width:767px) {
.navbar {
background: rgba(255,255,255,0);
border:0px;
margin:50px;
}
/* title */
.navbar .navbar-brand {
font-size:24px;
text-shadow: 0 0 10px #000;
font-weight:bold;
color: rgb(35,154,123);
}
.navbar-inverse .navbar-brand:hover,
.navbar-inverse .navbar-brand:focus {
color: #5E5E5E;
}
/* link */
.navbar-inverse .navbar-nav > li > a {
text-shadow: 0 0 10px #000;
color: #fff;
font-size: 18px;
}
.navbar-inverse .navbar-nav > li > a:hover,
.navbar-inverse .navbar-nav > li > a:focus {
border-bottom: 5px solid rgb(35,154,123);
background: rgba(255,255,255,0);
}
.navbar-inverse .navbar-nav > .active > a,
.navbar-inverse .navbar-nav > .active > a:hover,
.navbar-inverse .navbar-nav > .active > a:focus {
color: #555;
background-color: #E7E7E7;
}
#mainpage {
margin-top:350px;
}
.greenbg {
background:rgb(35,154,123);
}
.graybg {
background:rgb(190,190,190);
}
.whitebg {
background:rgb(255,255,255);
}
}