Classes for defining specific breakpoints in Bootstrap's grid system

Is it possible to create a Bootstrap class that applies specifically to certain breakpoints?

I am aware of classes like col-sm-2 col-md-4, but I am looking for something that allows me to set the width of an element.

Currently, to set the width to 100%, I use className="w-100"

I thought there might be a way to do something like w-sm-100 w-md-75 w-lg-50 or sm-w-100 md-w-75 lg-w-50, but I haven't found any mention of this in the Bootstrap documentation or elsewhere.

Is there a simple method to achieve this, or do we have to resort to using media queries in CSS?

Appreciate your help!

csstwitter-bootstrapclassbootstrap-4

Answer №1

If you're looking to achieve something similar to this:

<img class="w-100 w-md-50" src="..." alt="...">

You can accomplish this by utilizing a div with the classes "col" and "mx-auto" like so:

<div class="col col-md-6 mx-auto">
  <img class="w-100" src="..." alt="...">
</div>

Answer №2

Once upon a time, I found myself in a situation where I needed to tackle a specific issue that could only be resolved using media query.

As a result, I took on the challenge of creating a CSS project that utilized media queries to cater to different width sizes across various resolutions, all based on Bootstrap.

To streamline the process, I decided to generate my own stylesheet CDN Link, which I could easily incorporate right after linking my bootstrap CDN. This allowed me to seamlessly integrate custom classes such as w-sm-100 w-md-50 w-lg-25 into my projects.

If you're interested, here is the link to access the stylesheet:

<link rel="stylesheet" href="https://drive.google.com/uc?export=view&id=1yTLwNiCZhIdCWolQldwq4spHQkgZDqkG">

For a live demonstration, refer to this example:

<!-- Bootstrap CDN link -->

<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" rel="stylesheet" />

<!-- My own Stylesheet CDN Link -->
<link rel="stylesheet" href="https://drive.google.com/uc?export=view&id=1yTLwNiCZhIdCWolQldwq4spHQkgZDqkG">

<!-- HTML -->
<h1 class="w-xl-75 w-lg-100 w-md-50 w-sm-75 w-100 bg-primary">Hello World</h1>

One drawback to be mindful of is that if you specify the property w-md-50, it will solely apply to md and not extended to xl or lg.

To ensure compatibility with devices larger than md, you'll need to structure your code like so: w-xl-50 w-lg-50 w-md-50.

Answer №3

If you're working with Bootstrap 5, simply include this snippet in your variable file to achieve the desired outcome.

@import "bootstrap/scss/functions";
@import "bootstrap/scss/variables";
@import "bootstrap/scss/utilities";

$utilities: map-merge( 
$utilities, ( "width": map-merge( 
map-get( $utilities, "width"), ( responsive: true ),),)
);

For more detailed information, check out this link: https://getbootstrap.com/docs/5.0/utilities/api/#enable-responsive

Answer №4

Bootstrap 4 has clearly specified and displayed the breakpoints they utilize to create a responsive design.

By following the same queries used by Bootstrap, one can easily generate a responsive class with a similar format for better comprehension. Although Fareed's response is commendable, there is room for enhancement.

Below are snippets from the stylesheet I am currently utilizing:

/* CUSTOM WIDTHS */
.w-10, .w-xs-10 { width: 10%!important; }
.w-15, .w-xs-15 { width: 15%!important; }
.w-20, .w-xs-20 { width: 20%!important; }

/* BREAKPOINTS */

/* SM breakpoint */
@media (min-width: 576px) {
    /* CUSTOM WIDTHS */
    .w-sm-10 { width: 10%!important; }
   .w-sm-15 { width: 15%!important; }
   .w-sm-20 { width: 20%!important; }
}

/* MD breakpoint*/
@media (min-width: 768px) {
    /* CUSTOM WIDTHS */
    .w-md-10 { width: 10%!important; }
    .w-md-15 { width: 15%!important; }
    .w-md-20 { width: 20%!important; }
}

/* LG breakpoint */
@media (min-width: 992px) {
    /* CUSTOM WIDTHS */
    .w-lg-10 { width: 10%!important; }
    .w-lg-15 { width: 15%!important; }
    .w-lg-20 { width: 20%!important; }
}

Once implemented, it delivers responsiveness akin to that of Bootstrap. For instance:

/* CUSTOM WIDTHS */
.w-10, .w-xs-10 { width: 10%!important; }
.w-15, .w-xs-15 { width: 15%!important; }
.w-20, .w-xs-20 { width: 20%!important; }

/* BREAKPOINTS */

/* SM breakpoint */
@media (min-width: 576px) {
    /* CUSTOM WIDTHS */
    .w-sm-10 { width: 10%!important; }
    .w-sm-15 { width: 15%!important; }
    .w-sm-20 { width: 20%!important; }
}

/* MD breakpoint*/
@media (min-width: 768px) {
    /* CUSTOM WIDTHS */
    .w-md-10 { width: 10%!important; }
    .w-md-15 { width: 15%!important; }
    .w-md-20 { width: 20%!important; }
}

/* LG breakpoint */
@media (min-width: 992px) {
    /* CUSTOM WIDTHS */
    .w-lg-10 { width: 10%!important; }
    .w-lg-15 { width: 15%!important; }
    .w-lg-20 { width: 20%!important; }
}
<div class="w-md-20" style="background-color: black; color: white">At least 20% at MD or higher but less than 100%</div>

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