Posts Tagged: Bootstrap CSS
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Join My Email NewsletterHow To Center a div Horizontally in Bootstrap 4 & 5
It is very common in web design layouts to horizontally center a column in a row or container. But how do you do that using Bootstrap classes? Below are some different ways you can achieve this effect. Update: These methods work for both Bootstrap 5 and Bootstrap 4. Here is a codepen demo for just… Read more »
Category: Common Questions
What does Bootstrap 4 data-toggle=”dropdown” do?
Have you ever noticed data-toggle=”dropdown” in Bootstrap 4 dropdown code sections and wondered what this does? Bootstrap includes a CSS stylesheet and JS full of functions to add click behaviors and interactivity. Instead of having you write custom javascript to initialize these functions, it searches the page for any elements that contain certain data attributes…. Read more »
Category: Common Questions
Should I use my own CSS or Bootstrap?
Does your website or application have any of the following? Paragraphs, tables, buttons, lists, tabs, headings, responsive embeds, images, responsive breakpoints, etc. The main benefit of using Bootstrap is it saves you time writing common CSS styles most projects have. It is a toolkit you know is fully documented in case you need to add… Read more »
Category: Common Questions
What Are the Bootstrap 4 Text Font Sizes and How Do You Change Them?
Bootstrap’s font sizes are calculated off of the body font size by using rem values. If you change the body font size all styles will be increased/decreased automatically. Rem stands for “root em” because it calculates the size based on the size of the root of the document or body tag. So Bootstrap’s global default… Read more »
Category: Common Questions
What are the integrity and crossorigin attributes and why are they necessary?
In the code snippet below, you will see how Bootstrap uses a CDN to deliver their minified scripts and styles. But what is that long string of random characters after integrity=? <link rel=”stylesheet” href=”https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css” integrity=”sha384-9gVQ4dYFwwWSjIDZnLEWnxCjeSWFphJiwGPXr1jddIhOegiu1FwO5qRGvFXOdJZ4″ crossorigin=”anonymous”> With this technology, developers can benefit from the performance gains of using Content Delivery Networks (CDNs) without having to… Read more »
Category: Common Questions
Bootstrap 4 Img Responsive Class Example
In Bootstrap 3 you would use the class .img-responsive but in Bootstrap 4 this class name has been renamed to .img-fluid View on codepen How to create a responsive image in Bootstrap 4 .img-fluid <img src=”https://dummyimage.com/1200×400/000/fff” alt=”responsive image” class=”img-fluid”>
Category: Common Questions
How Do I Make an Image Responsive in Bootstrap 4?
.img-fluid <img src=”https://dummyimage.com/600×400/000/fff” alt=”placeholder image” class=”img-fluid” /> In Bootstrap 4 you would use the .img-fluid class on all images you would like to be responsive. This class tells the browser not to expand the image larger than its original size using a max-width. And it also tells it to scale down the image if the… Read more »
Category: Common Questions
How can I find a full Bootstrap class reference with descriptions?
I recently put together a desk reference of all of the Bootstrap CSS classes. It also includes sample code snippets of frequently used components. The download page also has a sortable table to help find classes by component. Bootstrap 3 Full Classes Reference Cheat Sheet Bootstrap 4 Full Classes Reference Cheat Sheet
Category: Common Questions
Which framework is better, W3.CSS or Bootstrap?
Both of these are essentially style guides. A way of doing things. I recommend Bootstrap because of the following points. The large number of websites currently using it The large number of contributors and bug testers on the open source project Being more marketable for jobs because more teams use it and you don’t have… Read more »
Category: Common Questions
How to Change the Bootstrap Text Size and Make the Font Size Responsive
Do you want to adjust the default font sizes in Bootstrap 4? You can either adjust the Sass variables or write new CSS styles to override the default values. In this tutorial, I will provide the default font size values and show you how to change the values based on the Bootstrap 4 breakpoints…. Read more »
Category: Common Questions