html - How do I make an image appear on desktops and tablets, but not on phones, using bootstrap? -


i working on small project of mine. it's website booking tours. i'm still in stages, looks like: homepage

as can see, each tour has own "div" divided in 3 columns: preview image, short description , button book tour. can add image background, if shrink page size mobile, second div appears above first 1 image in it, this: homepage mobile size

i have no idea why occurs. of have idea how make div image disappear on mobile or how solve problem? html , css code provided below, using bootstrap.

ps: ignore white-space around button.

body {  	margin: 0px;  	padding: 0px;  }    .jumbotron {  	border-radius: 0px;  	margin-bottom: 0px;  }    .options {  	margin-top: 30px;  }    .tours {  	padding: 0px;  	margin-bottom: 25px;  	border-radius: 5px;  	border: 1px solid grey;  	max-width: 100%;  	height: 20vh;  }    .preview-img {  	height: 100%;  }    .short-descr {  	padding-top: 2vh;  	height: 100%;  	background-color: red;  }    .more-info {  	height: 100%;  	padding: 0px;  }    .infobtn {  	height: 100%;  	width: 100%;  }
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"/>  <!doctype html>  <html lang="en">  <head>  	<title>home</title>  	<meta charset="utf-8" name="viewport" content="width=device-width, initial-scale=1">  	<script src="https://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgfzhoseeamdoygbf13fyquitwlaqgxvsngt4=" crossorigin="anonymous"></script>  	<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.min.js" integrity="sha256-vazp97zcwtekasvgpbsuwpfkdrwd3unufsgvyrahuqu=" crossorigin="anonymous"></script>  	<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">  	<script type="text/javascript" src="js/bootstrap-datepicker.js"></script>  	<link rel="stylesheet" type="text/css" href="css/bootstrap.css">  	<link rel="stylesheet" type="text/css" href="css/datepicker.css">  	<link rel="stylesheet" type="text/css" href="css/homepage-style.css">  </head>  <body>    	<!--jumbotron, header website-->  	<div class="jumbotron text-center">    		<div class="container">  			<h1>title</h1>  			<p>description</p>  		</div>    	</div>    	<!--these columns in tours displayed-->  	<div class="container options">  		  		<div class="col-xs-12 tours">    			<div class="col-sm-3 preview-img">    			</div>    			<div class="col-xs-9 col-sm-7 short-descr">  				<h4 class="text-left">column 1</h4>  				<p class="text-left">lorem ipsum dolor sit amet...</p>  			</div>    			<div class="col-xs-3 col-sm-2 more-info">  				<button type="button" class="btn btn-info infobtn" href="#">more</button>  			</div>    		</div>    		<div class="col-xs-12 tours">  			  		</div>    		<div class="col-xs-12 tours">  			  		</div>			    	</div>  	    </body>  </html>

add hidden-xs class preview-img div

http://getbootstrap.com/css/#responsive-utilities


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