[英]full body background image with twitter bootstrap
我正在尝试使用Twitter引导程序实现全身背景图像,但它无法正常工作,我正在以全屏模式检查它是否在移动和平板电脑模式下工作。
这是HTML
<div id="header">
<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
<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="#">Hifzil</a>
</div>
<div id="navbar" class="collapse navbar-collapse">
<ul class="nav navbar-nav">
<li class="active"><a href="#">Home</a></li>
<li><a href="#about">Spelling Test</a></li>
<li><a href="#contact">Practise Writing</a></li>
<li><a href="#about">Spelling Game</a></li>
<li><a href="#contact">English Dictionary</a></li>
<li><a href="#about">Games</a></li>
<li><a href="#contact">Support</a></li>
</ul>
<ul class="nav navbar-nav navbar-right">
<li><a href="#"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li>
<li><a href="#"><span class="glyphicon glyphicon-log-in"></span> Login</a></li>
</ul>
</div><!--/.nav-collapse -->
</div>
</nav>
<div id="boundry">
<div class="searchbutton"> <a href="dic.php">Click Here To Start E-learning Drive !</a></div>
</div>
</div>
<div class="col-md-9 text-center col-centered">
<div class="grade-module intro1"> <a href="#" class="gradeStyle blue1-bg">English</a> <div class="bd-grade blue1-bdr">
<p class="text">Counting objects, fewer and more, names of colors, inside and outside, longer and shorter, and more.</p>
</div>
</div>
<div class="grade-module intro2">
<a href="dic.php" class="gradeStyle orange1-bg">Dictionary</a> <div class="bd-grade orange-bdr"><p class="text">Learn New Words From Dictionary And Their Meanings,Parts Of Speeches And Their Visualization</p></div>
</div>
<div class="grade-module intro3">
<a href="paint.php" class="gradeStyle green-bg">Speeling Practice</a> <div class="bd-grade green-bdr"><p class="text">Practice Speelings By Drawing The Words . All you have to paint inside the letter not outside</p></div>
</div>
<div class="grade-module intro4">
<a href="#" class="gradeStyle red-bg">Quiz</a> <div class="bd-grade red-bdr"><p class="text">Speeling quiz can provide you the opportunity to revise whether you have correctly memorize or not </p></div>
</div>
<div class="grade-module intro5">
<a href="#" class="gradeStyle light-bg">Games</a> <div class="bd-grade light-bdr"><p class="text">Learning by increasing vocubulary from playing games like words search , scrabble and letterrace .</p></div>
</div>
<div class="grade-module intro6">
<a href="#" class="gradeStyle voilet-bg">Visualization</a> <div class="bd-grade voilet-bdr"><p class="text">Visualization of words tends to lead towards learning and memorizing the words , their description and meaning</p></div>
</div>
</div>
这是CSS
#header{
background: url('..images/english.jpg') no-repeat center top;
padding-top: 200px;
text-align: center;
background-attachment: relative;
background-position: center center;
min-height: 670px;
width: 100%;
-webkit-background-size: 100%;
-moz-background-size: 100%;
-o-background-size: 100%;
background-size: 100%;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
}
position: absolute;
你能行的。
使用边距上限:100vh; 在第二个div上,它包含获得您想要的内容的内容,我认为:
#content { margin-top: 100vh}
你可以这样
旁注,由于bkg
作为定位,所以body
的其他直接子代也需要,否则它们就会出现在下面,因此添加的body > * { position: relative; }
body > * { position: relative; }
规则。
html, body { margin: 0; } body > * { position: relative; } #bkg { position: fixed; /* or use absolute if it should scroll with content */ left: 0; top: 0; right: 0; bottom: 0; background: url('http://lorempicsum.com/futurama/627/200/3') no-repeat center center; background-size: cover; opacity: 0.3; /* temp. added to make text appear better */ }
<div id="bkg"></div> <div id="header"> <nav class="navbar navbar-inverse navbar-fixed-top"> <div class="container"> <div class="navbar-header"> <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar"> <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="#">Hifzil</a> </div> <div id="navbar" class="collapse navbar-collapse"> <ul class="nav navbar-nav"> <li class="active"><a href="#">Home</a></li> <li><a href="#about">Spelling Test</a></li> <li><a href="#contact">Practise Writing</a></li> <li><a href="#about">Spelling Game</a></li> <li><a href="#contact">English Dictionary</a></li> <li><a href="#about">Games</a></li> <li><a href="#contact">Support</a></li> </ul> <ul class="nav navbar-nav navbar-right"> <li><a href="#"><span class="glyphicon glyphicon-user"></span> Sign Up</a></li> <li><a href="#"><span class="glyphicon glyphicon-log-in"></span> Login</a></li> </ul> </div><!--/.nav-collapse --> </div> </nav> <div id="boundry"> <div class="searchbutton"> <a href="dic.php">Click Here To Start E-learning Drive !</a></div> </div> </div> <div class="col-md-9 text-center col-centered"> <div class="grade-module intro1"> <a href="#" class="gradeStyle blue1-bg">English</a> <div class="bd-grade blue1-bdr"> <p class="text">Counting objects, fewer and more, names of colors, inside and outside, longer and shorter, and more.</p> </div> </div> <div class="grade-module intro2"> <a href="dic.php" class="gradeStyle orange1-bg">Dictionary</a> <div class="bd-grade orange-bdr"><p class="text">Learn New Words From Dictionary And Their Meanings,Parts Of Speeches And Their Visualization</p></div> </div> <div class="grade-module intro3"> <a href="paint.php" class="gradeStyle green-bg">Speeling Practice</a> <div class="bd-grade green-bdr"><p class="text">Practice Speelings By Drawing The Words . All you have to paint inside the letter not outside</p></div> </div> <div class="grade-module intro4"> <a href="#" class="gradeStyle red-bg">Quiz</a> <div class="bd-grade red-bdr"><p class="text">Speeling quiz can provide you the opportunity to revise whether you have correctly memorize or not </p></div> </div> <div class="grade-module intro5"> <a href="#" class="gradeStyle light-bg">Games</a> <div class="bd-grade light-bdr"><p class="text">Learning by increasing vocubulary from playing games like words search , scrabble and letterrace .</p></div> </div> <div class="grade-module intro6"> <a href="#" class="gradeStyle voilet-bg">Visualization</a> <div class="bd-grade voilet-bdr"><p class="text">Visualization of words tends to lead towards learning and memorizing the words , their description and meaning</p></div> </div> </div>
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