Grid sistem doesn`t work on mobile: .col-xs-3 is on full screen, col-xs-3 works like col-xs-12, any ideias?
<div class="container">
<div class="row">
<div class="col-md-1 col-xs-3">
<a href="#">
<img src="/.." />
</a>
</div>
<div class="col-md-1 col-xs-3">
<a href="#">
<img src="/.." />
</a>
</div>
<div class="col-md-1 col-xs-3">
<a href="#">
<img src="/.." />
</a>
</div>
...
</div>
</div>
1) If the bootstrap version your are using is 4, In bootstrap 4 there is no xs breakpoint. Instead the xs breakpoint is the default and for other breakpoints you must use breakpoints.
so for example if you want 3 on mobile and 1 on md and above you must say
col-3 col-md-1
2) Please do check that the required meta tags is on the head section of your code i.e.
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
Are you certain that bootstrap is linked and that you're using chrome on your mobile device?
Related
I'm trying to create cards that maintain the position of its button when the user's browser dimensions change.
Desktop full-screen:
When the browser is resized:
I'm trying to keep the card button in the same position when the browser is resized. But in my example the "Upvote" button is moved beneath the text, instead of remaining on the right side. To be more specific, have a look at this picture:
The green space should be reserved for the button, and red space should be the position of the button:
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.bundle.min.js" integrity="sha384-xrRywqdh3PHs8keKZN+8zzc5TX0GRTLCcmivcbNJWm2rs5C8PRhcEn3czEjhAO9o" crossorigin="anonymous"></script>
<div class="row justify-content-center">
<div>
<div class="container">
<div class="card m-2">
<div class="card-body">
<div class="container p-1">
<img
src="https://1iq2pi1r3dw63rcvw63p8mfb-wpengine.netdna-ssl.com/wp-content/uploads/2017/08/kion-bar-box-600x600.jpg"
class="float-left mr-1"
alt=""
width="60px"
heigth="60px"
/>
<div class="row">
<div class="col-md-11 pr-5">
<h5 class="card-title">Kion Bar 2 - Best energy bar there is no</h5>
<p class="card-text">Best energy bar there is, no other like this that can even..</p>
</div>
<div class="col-md-1 ml-md-auto align-self-center">
<a href="#" class="btn btn-outline-secondary float-right">
Upvote
</a>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
</head>
<body>
<div class="container">
<div class="row">
<div class="col">
<div class="media align-items-center">
<img width="10%" class="align-self-center mr-3" src="https://1iq2pi1r3dw63rcvw63p8mfb-wpengine.netdna-ssl.com/wp-content/uploads/2017/08/kion-bar-box-600x600.jpg" alt="Generic placeholder image">
<div class="media-body">
<div class="row align-items-center">
<div class="col-md-9 col-9">
<h5 class="mt-0">Kion Bar 2 - Best energy bar there is no</h5>
<p>Best energy bar there is, no other like this that can even..</p>
</div>
<div class="col-md-3 col-3">
<a href="#" class="btn btn-outline-secondary float-right">
Upvote
</a>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<script
src="https://code.jquery.com/jquery-3.4.1.min.js"
integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo="
crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
</body>
</html>
It'd be better if you use media, it'll make your work easier. Also .container should use only once within a section.
Containers provide a means to center and horizontally pad your site’s
contents. Use .container for a responsive pixel width or
.container-fluid for width: 100% across all viewport and device
sizes.
Rows are wrappers for columns. Each column has horizontal padding
(called a gutter) for controlling the space between them. This
padding is then counteracted on the rows with negative margins. This
way, all the content in your columns is visually aligned down the
left side.
In a grid layout, content must be placed within columns and only
columns may be immediate children of rows.
You can check the below links for reference
Grid System of Bootstrap
Media
First of all, you are making many mistakes in your markup. You should take the time to learn how to correctly write your markup.
Secondly, learn how to work with images. DO use width and height attributes for your images, but DO NOT specify them in pixels. What you are doing is setting an aspect ratio, not the actual dimensions. The .img-fluid class makes your image responsive. The attributes maintains its aspect ratio. Specifying the aspect ratio will prevent the browser from moving content down the page while it waits to download the image and figure out how to draw it on the canvas.
I believe the following is what you are trying to do.
See it on Bootply
<div class="container-fluid">
<div class="card my-2">
<div class="card-body">
<div class="row">
<div class="col-1">
<img src="https://1iq2pi1r3dw63rcvw63p8mfb-wpengine.netdna-ssl.com/wp-content/uploads/2017/08/kion-bar-box-600x600.jpg" class="img-fluid" alt="" width="600" heigth="600">
</div>
<div class="col-9">
<h5 class="card-title">Kion Bar 2 - Best energy bar there is no</h5>
<p class="card-text">Best energy bar there is, no other like this that can even..</p>
</div>
<div class="col-2">
<a href="#" class="btn btn-outline-secondary btn-block">
Upvote
</a>
</div>
</div>
</div>
</div>
</div>
Remember, you can set different col spans for different viewports.
I am currently trying to use Bootstrap to get two columns: One width 1/3 size and one with 2/3 size.
What I have is a container, and in it a row:
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" type="text/css" rel="stylesheet" />
<div class="container">
<div class="row">
<div class="col-md-4">
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</div>
<div class="col-md-8">
<img id="Image-Maps-Com-image-maps-2017-08-25-161100-img" src="image.png" alt="" usemap="#image-maps-2017-08-25-161100" width="6460" height="3455" border="0" class="map" />
<map id="ImageMapsCom-image-maps-2017-08-25-161100" name="image-maps-2017-08-25-161100"></map>
</div>
</div>
</div>
So the expected result for me (in my understanding) would be 1/3 of the page with the text and linebreaks and 2/3 (on the right side) would be the image with the image-map on it.
But: the result is both underneath, so in one line there is this thex text (within col-md-4) and on the next line there is the image (within col-md-8). Where is the problem?
Info: My viewport is big enough and even changing is to xs doesn't change the result.
As written in your comments, this DOES work:
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" type="text/css" rel="stylesheet" />
<div class="container">
<div class="row">
<div class="col-md-4">
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</div>
<div class="col-md-8">
<img id="Image-Maps-Com-image-maps-2017-08-25-161100-img" src="https://upload.wikimedia.org/wikipedia/commons/3/33/Su%C3%ADno_alta.jpg" alt="" usemap="#image-maps-2017-08-25-161100" width="6460" height="3455" border="0" class="map" style="max-width: 100%; height: auto !important" />
<map id="ImageMapsCom-image-maps-2017-08-25-161100" name="image-maps-2017-08-25-161100"></map>
</div>
</div>
</div>
For small screen use col-sm-4 and col-xs-4 because col-md-4 taking 992px and up screen. One important thing for image, give img-reponsive class.
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" type="text/css" rel="stylesheet" />
<div class="container">
<div class="row">
<div class="col-md-4 col-sm-4 col-xs-4">
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</div>
<div class="col-md-8 col-sm-8 col-xs-8">
<img id="Image-Maps-Com-image-maps-2017-08-25-161100-img" src="https://dummyimage.com/600x200/000/fff&text=sample+image" alt="" usemap="#image-maps-2017-08-25-161100" border="0" class="map img-responsive" />
<map id="ImageMapsCom-image-maps-2017-08-25-161100" name="image-maps-2017-08-25-161100"></map>
</div>
</div>
</div>
What error is in my code trying to make an image responsive and centre it however, I can't seem to successfully do it. What am I doing wrong? Example of how it looks on my screen. http://imgur.com/a/bqrKw
<!DOCTYPE html>
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-4">
<div class="thumbnail">
<a href="http://i1126.photobucket.com/albums/l611/ldocherty1/IMG_0730_zpsiz4dqc47.jpg" target="_blank">
<img src="http://i1126.photobucket.com/albums/l611/ldocherty1/IMG_0730_zpsiz4dqc47.jpg" alt="picture" class="img-responsive center-block" />
</a>
</div>
</div>
</div>
</div>
</body>
</html>
What you need is to add col-lg-12 in order to center for large desktops.
body .jumbotron {
background-color: #01BAEF;
}
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
<div class="container">
<div class="jumbotron text-center">
<h1>About Me</h1>
<p>Find out more about me!</p>
</div>
<div class="container">
<div class="row">
<div class="col-md-4 col-lg-12">
<div class="thumbnail">
<a href="/w3images/lights.jpg" target="_blank">
<img src="http://i1126.photobucket.com/albums/l611/ldocherty1/IMG_0730_zpsiz4dqc47.jpg" alt="..." class="img-responsive" />
</a>
</div>
</div>
</div>
</div>
<div class="row">
<div class="col-sm-4">
<div class="well">
<h3>Who am I?</h3>
<p>My name is Liam Docherty and I'm 17 years old, currently studying at Hackney Community College. In 2016 when I was taking my GCSE exams, I found my passion which was IT. My favourite topic within IT is software development. The reason how I
found out this was my main passion with IT is because, I was assigned a task which was to create a website advertising myself to potential employees and really enjoyed learning multiple programming languages.</p>
<p>Overall, I have multiple experience within a range of different sectors within IT. For example, I have knowledge of installing and maintaining hardware and software in a technology system. Moreover, I have experience using application software
such as Adobe Photoshop CS6, Adobe Premier Pro CS6 and Adobe Illustrator CS6.</p>
</div>
</div>
<div class="col-sm-4">
<div class="well">
<h3>Skills I can offer</h3>
<p>Front-end Development</p>
<ul>
<li>HTML</li>
<li>CSS</li>
<li>JavaScript</li>
</ul>
<p>Installing and maintaining hardware such as</p>
<ul>
<li>Upgrading RAM</li>
<li>Installing network card</li>
<li>Using air duster to reduce dust build up in fan component</li>
</ul>
<p>Installing and maintaining software such as </p>
<ul>
<li>Installing an operating system</li>
<li>Installing anti-virus application software</li>
<li>Doing a defragment on hard drive</li>
</ul>
<p>Experience using application software such as...</p>
<ul>
<li>Adobe Photoshop CS6</li>
<li>Adobe Premier Pro CS6</li>
<li>Adobe Illustrator CS6</li>
</ul>
</div>
</div>
<div class="col-sm-4">
<div class="well">
<h3>Future goals within IT</h3>
<ul>
<li>Improve my skills on using programming language javascript</li>
<li>Learn how to use Adobe After Effects to improve editing skills</li>
<li>Expand my knowledge on bootstrap</li>
</ul>
</div>
</div>
</div>
</div>
You can also use offset to center the image.
<div class="container">
<div class="row">
<div class="col-md-4 col-md-offset-4">
<div class="thumbnail">
<a href="http://i1126.photobucket.com/albums/l611/ldocherty1/IMG_0730_zpsiz4dqc47.jpg" target="_blank">
<img src="http://i1126.photobucket.com/albums/l611/ldocherty1/IMG_0730_zpsiz4dqc47.jpg" alt="picture" class="img-responsive center-block" />
</a>
</div>
</div>
The header is all effed: How do I get this smartcat.png image to be the entire background for the header only?
I am hoping to add the answer to my stylesheet "cat.css" .
I appreciate all suggestions and better practices for coding with bootstrap.
Here is the website:
http://chillcastle.com/cat/felinedelirium
Here is my stylesheet:
.header-content {background: url("img/smartcat.png");}
.header {background: url("img/smartcat.png");}
Here is the webpage code:
<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>Feline Delirium</title>
<!-- Bootstrap Core CSS -->
<link href="vendor/bootstrap/css/bootstrap.min.css" rel="stylesheet">
<!-- Custom Fonts -->
<link href="vendor/font-awesome/css/font-awesome.min.css" rel="stylesheet" type="text/css">
<link href='https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800' rel='stylesheet' type='text/css'>
<link href='https://fonts.googleapis.com/css?family=Merriweather:400,300,300italic,400italic,700,700italic,900,900italic' rel='stylesheet' type='text/css'>
<!-- Plugin CSS -->
<link href="vendor/magnific-popup/magnific-popup.css" rel="stylesheet">
<!-- Theme CSS -->
<link href="css/creative.min.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]-->
<nav id="mainNav" class="navbar navbar-default navbar-fixed-top">
<div class="container-fluid">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="www.chillcreatives.com">
<span class="sr-only">Poop</span> Menu <i class="fa fa-bars"></i>
</button>
<a class="navbar-brand page-scroll" href="#page-top">Felines</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 class="page-scroll" href="#about">Cat Tales</a>
</li>
<li>
<a class="page-scroll" href="#services">Cat News</a>
</li>
<li>
<a class="page-scroll" href="#portfolio">Cat Life</a>
</li>
<li>
<a class="page-scroll" href="#contact">Cat Stuff</a>
</li>
</ul>
</div>
<!-- /.navbar-collapse -->
</div>
<!-- /.container-fluid -->
</nav>
<header>
<div class="header-content">
<div class="header-content-inner">
<h1 id="homeHeading">Kitty Cats</h1>
<hr>
<p>Feline Delirium is a fun thing.</p>
Find Out More
</div>
</div>
</header>
<section class="bg-primary" id="about">
<div class="container">
<div class="row">
<div class="col-lg-8 col-lg-offset-2 text-center">
<h2 class="section-heading">Cats</h2>
<hr class="light">
<p class="text-faded">Whoa. Cats.</p>
Get Started!
</div>
</div>
</div>
</section>
<section id="services">
<div class="container">
<div class="row">
<div class="col-lg-12 text-center">
<h2 class="section-heading">BIJOUXXX</h2>
<hr class="primary">
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-lg-3 col-md-6 text-center">
<div class="service-box">
<i class="fa fa-4x fa-diamond text-primary sr-icons"></i>
<h3>Sturdy Templates</h3>
<p class="text-muted">Cats!</p>
</div>
</div>
<div class="col-lg-3 col-md-6 text-center">
<div class="service-box">
<i class="fa fa-4x fa-paper-plane text-primary sr-icons"></i>
<h3>Ready to Ship</h3>
<p class="text-muted">You can use this theme as is, or you can make changes!</p>
</div>
</div>
<div class="col-lg-3 col-md-6 text-center">
<div class="service-box">
<i class="fa fa-4x fa-newspaper-o text-primary sr-icons"></i>
<h3>Up to Date</h3>
<p class="text-muted">We update dependencies to keep things fresh.</p>
</div>
</div>
<div class="col-lg-3 col-md-6 text-center">
<div class="service-box">
<i class="fa fa-4x fa-heart text-primary sr-icons"></i>
<h3>Made with Love</h3>
<p class="text-muted">You have to make your websites with love these days!</p>
</div>
</div>
</div>
</div>
</section>
<section class="no-padding" id="portfolio">
<div class="container-fluid">
<div class="row no-gutter popup-gallery">
<div class="col-lg-4 col-sm-6">
<a href="img/cubecat.png" class="portfolio-box">
<img src="img/cubecat.png" class="img-responsive" alt="">
<div class="portfolio-box-caption">
<div class="portfolio-box-caption-content">
<div class="project-category text-faded">
Category
</div>
<div class="project-name">
Project Name
</div>
</div>
</div>
</a>
</div>
<div class="col-lg-4 col-sm-6">
<a href="img/smartcat.png" class="portfolio-box">
<img src="img/smartcat.png" class="img-responsive" alt="">
<div class="portfolio-box-caption">
<div class="portfolio-box-caption-content">
<div class="project-category text-faded">
Category
</div>
<div class="project-name">
Project Name
</div>
</div>
</div>
</a>
</div>
<div class="col-lg-4 col-sm-6">
<a href="img/goldencat.png" class="portfolio-box">
<img src="img/goldencat.png" class="img-responsive" alt="">
<div class="portfolio-box-caption">
<div class="portfolio-box-caption-content">
<div class="project-category text-faded">
Category
</div>
<div class="project-name">
Project Name
</div>
</div>
</div>
</a>
</div>
<div class="col-lg-4 col-sm-6">
<a href="smokincat.jpg" class="portfolio-box">
<img src="img/smokingcat.jpg" class="img-responsive" alt="">
<div class="portfolio-box-caption">
<div class="portfolio-box-caption-content">
<div class="project-category text-faded">
Category
</div>
<div class="project-name">
Project Name
</div>
</div>
</div>
</a>
</div>
<div class="col-lg-4 col-sm-6">
<a href="img/5.jpg" class="portfolio-box">
<img src="img/" class="img-responsive" alt="">
<div class="portfolio-box-caption">
<div class="portfolio-box-caption-content">
<div class="project-category text-faded">
Category
</div>
<div class="project-name">
Project Name
</div>
</div>
</div>
</a>
</div>
<div class="col-lg-4 col-sm-6">
<a href="img/6.jpg" class="portfolio-box">
<img src="img/portfolio/thumbnails/6.jpg" class="img-responsive" alt="">
<div class="portfolio-box-caption">
<div class="portfolio-box-caption-content">
<div class="project-category text-faded">
Category
</div>
<div class="project-name">
Project Name
</div>
</div>
</div>
</a>
</div>
</div>
</div>
</section>
<aside class="bg-dark">
<div class="container text-center">
<div class="call-to-action">
<h2>Bijouxxx</h2>
cats!
</div>
</div>
</aside>
<section id="contact">
<div class="container">
<div class="row">
<div class="col-lg-8 col-lg-offset-2 text-center">
<h2 class="section-heading">Let's Get In Touch!</h2>
<hr class="primary">
<p>Hit us up with your cat pic</p>
</div>
<div class="col-lg-4 col-lg-offset-2 text-center">
<i class="fa fa-phone fa-3x sr-contact"></i>
<p>123-456-6789</p>
</div>
<div class="col-lg-4 text-center">
<i class="fa fa-envelope-o fa-3x sr-contact"></i>
<p><a href="the chill castle # gmail.com >feedback#startbootstrap.com</a></p>
</div>
</div>
</div>
</section>
<!-- jQuery -->
<script src="vendor/jquery/jquery.min.js"></script>
<!-- Bootstrap Core JavaScript -->
<script src="vendor/bootstrap/js/bootstrap.min.js"></script>
<!-- Plugin JavaScript -->
<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery-easing/1.3/jquery.easing.min.js"></script>
<script src="vendor/scrollreveal/scrollreveal.min.js"></script>
<script src="vendor/magnific-popup/jquery.magnific-popup.min.js"></script>
<!-- Theme JavaScript -->
<script src="js/creative.min.js"></script>
The aspect ratio of the cat picture compared to the header is way different. You could crop the image in height a little bit to help it fit.
After which you can use this code to get it scale to cover the entire header. You will need to mess around with the css position and the size of the cat image to see what works for you.
.header-content {
background: url(img/smartcat.png) no-repeat center center fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
}
Here's the article link for a full width background image - https://css-tricks.com/perfect-full-page-background-image/
Happy coding!
Added Note
The header is very thin and currently has an approximate aspect ratio of 7:1. Which basically means in order to maintain aspect ratio ,every one increase in height will cause a 7 times increase in width. So if you double the height, the width will be 14 (i.e 14:2)
Now your image on the other hand has an aspect ratio of 25:24.
So imagine that you're trying to fit a square box inside a thin horizontal line. Not really going to fit without distorting the image.
So you basically have three options.
Change background-size:cover to background-size:contain. This will basically make the height of the image the same as the parent so that the whole image appears without breaking the ratio. Basically it will make sure your whole image is displayed in the container. But this also means that your container will not get fully covered by the image. Here is an example of option 1 . http://i.imgur.com/GxcF4aO.jpg?1
Keep background-size:cover and adjust the aspect ratio of the image to be more like the header. i.e. Crop the image in height.
Here is an example of a cropped image. http://i.imgur.com/GNEZq4U.jpg?1
Keep everything the way it is and increase the height of the header to match the image.
Here's a link to show how aspect ratio works. You can toggle the How to handle ratio mismatches radio buttons at the bottom to check the difference between options 1 and 2.
http://andrew.hedges.name/experiments/aspect_ratio/ Make sure you have the show sample image button checked. Enter the dimensions of the header and either the height or the width of the image to find out what ratio the image should be.
Hope this helps.
I'm trying to create a basic image gallery using Bootstrap in AngularJS. I'm following a tutorial here: http://www.tutorialspoint.com/bootstrap/bootstrap_thumbnails.htm but I've seen many other sites use the same or similar code.
When I run it on my page, instead of the 3 images appearing spaced out in the same row, they all appear centered on separate rows.
<div class="row">
<div class="col-sm-6 col-md-3">
<a href="" class="thumbnail">
<img class="r" src="../Images/Test1.png" >
</a>
</div>
<div class="col-sm-6 col-md-3">
<a href="" class="thumbnail">
<img class="" src="../Images/Test2.png" >
</a>
</div>
<div class="col-sm-6 col-md-3">
<a href="" class="thumbnail">
<img class="" src="../Images/Test3.png" >
</a>
</div>
</div>
This code use Bootstrap framework and you probably forget to import it !
Make sure you have these imports, and the code will work like you expect it :
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap-theme.min.css">
<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
Here is the prove that this html works fine once bootstrap imported :
LIVE DEMO