Grid System Layout

Goal

  • ⚡ Try Bootstrap grid system to make 3 columns layout

What is Grid system ?

Bootstrap’s grid system uses a series of containers, rows, and columns to layout and align content.

https://getbootstrap.com/docs/4.5/layout/grid/

Grid System of Bootstrap
<div class="container">
<div class="row">
<div class="col-**"></div>
...
</div>
</div>

Try Grid system

Let's try Bootstrap grid system 👍

https://getbootstrap.com/docs/4.5/layout/grid/

copy-grid-layout

Copy and Paste code

In bootstrap-test1.html

bootstrap-test1.html
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<title>Hello, world!</title>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item dropdown">
<a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdown">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
<li class="nav-item">
<a class="nav-link disabled" href="#" tabindex="-1" aria-disabled="true">Disabled</a>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input class="form-control mr-sm-2" type="search" placeholder="Search" aria-label="Search">
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
</form>
</div>
</nav>
<div class="jumbotron">
<h1 class="display-4">Hello, world!</h1>
<p class="lead">This is a simple hero unit, a simple jumbotron-style component for calling extra attention to featured content or information.</p>
<hr class="my-4">
<p>It uses utility classes for typography and spacing to space content out within the larger container.</p>
<a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a>
</div>
<div class="container">
<div class="row">
<div class="col-sm">
One of three columns
</div>
<div class="col-sm">
One of three columns
</div>
<div class="col-sm">
One of three columns
</div>
</div>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>

Check the output

output-after-copy-grid

Add Card component

To make it more like real example, let's add card component.

https://getbootstrap.com/docs/4.5/components/card/

copy-card.gif

Copy and paste card html.

And change width: 100%;

<div class="card" style="width: 100%;">
<img src="..." class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>

Then, replace img src with ...

https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Tortoiseshell_she-cat.JPG/640px-Tortoiseshell_she-cat.JPG

The final code

<!DOCTYPE html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8" />
<meta
name="viewport"
content="width=device-width, initial-scale=1, shrink-to-fit=no"
/>
<!-- Bootstrap CSS -->
<link
rel="stylesheet"
href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css"
integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T"
crossorigin="anonymous"
/>
<title>Hello, world!</title>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<a class="navbar-brand" href="#">Navbar</a>
<button
class="navbar-toggler"
type="button"
data-toggle="collapse"
data-target="#navbarSupportedContent"
aria-controls="navbarSupportedContent"
aria-expanded="false"
aria-label="Toggle navigation"
>
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#"
>Home <span class="sr-only">(current)</span></a
>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Link</a>
</li>
<li class="nav-item dropdown">
<a
class="nav-link dropdown-toggle"
href="#"
id="navbarDropdown"
role="button"
data-toggle="dropdown"
aria-haspopup="true"
aria-expanded="false"
>
Dropdown
</a>
<div class="dropdown-menu" aria-labelledby="navbarDropdown">
<a class="dropdown-item" href="#">Action</a>
<a class="dropdown-item" href="#">Another action</a>
<div class="dropdown-divider"></div>
<a class="dropdown-item" href="#">Something else here</a>
</div>
</li>
<li class="nav-item">
<a
class="nav-link disabled"
href="#"
tabindex="-1"
aria-disabled="true"
>Disabled</a
>
</li>
</ul>
<form class="form-inline my-2 my-lg-0">
<input
class="form-control mr-sm-2"
type="search"
placeholder="Search"
aria-label="Search"
/>
<button class="btn btn-outline-success my-2 my-sm-0" type="submit">
Search
</button>
</form>
</div>
</nav>
<div class="jumbotron">
<h1 class="display-4">Hello, world!</h1>
<p class="lead">
This is a simple hero unit, a simple jumbotron-style component for
calling extra attention to featured content or information.
</p>
<hr class="my-4" />
<p>
It uses utility classes for typography and spacing to space content out
within the larger container.
</p>
<a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a>
</div>
<div class="container">
<div class="row">
<div class="col-sm">
<div class="card" style="width: 100%;">
<img
src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Tortoiseshell_she-cat.JPG/640px-Tortoiseshell_she-cat.JPG"
class="card-img-top"
alt="..."
/>
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">
Some quick example text to build on the card title and make up
the bulk of the card's content.
</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
</div>
<div class="col-sm">
<div class="card" style="width: 100%;">
<img
src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Tortoiseshell_she-cat.JPG/640px-Tortoiseshell_she-cat.JPG"
class="card-img-top"
alt="..."
/>
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">
Some quick example text to build on the card title and make up
the bulk of the card's content.
</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
</div>
<div class="col-sm">
<div class="card" style="width: 100%;">
<img
src="https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Tortoiseshell_she-cat.JPG/640px-Tortoiseshell_she-cat.JPG"
class="card-img-top"
alt="..."
/>
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text">
Some quick example text to build on the card title and make up
the bulk of the card's content.
</p>
<a href="#" class="btn btn-primary">Go somewhere</a>
</div>
</div>
</div>
</div>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script
src="https://code.jquery.com/jquery-3.3.1.slim.min.js"
integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo"
crossorigin="anonymous"
></script>
<script
src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"
integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1"
crossorigin="anonymous"
></script>
<script
src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"
integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM"
crossorigin="anonymous"
></script>
</body>
</html>

Check the output

Summery

summery

In this step, it is enough to learn that...

  • Use Bootstrap's grid system to layout website
Grid System of Bootstrap
<div class="container">
<div class="row">
<div class="col-**"></div>
...
</div>
</div>

From the next step, let's learn col-** in detail to make more real world layout.

Edit this page