Let’s talk about Bootstrap 4 components. Bootstrap is an open-sourced framework for web apps development that has gained great popularity since 2011 when it was released for the first time. Since that time Bootstrap has expanded, evolved, become more and more popular, and gained the support of a large community of developers.

The latest Bootstrap version is 4.5.2, and we expect to see version 5 soon. As Bootstrap improves, it can offer more and more components with comprehensive documentation. 

You can find alerts, forms, input groups, dropdowns, and much more on the official web site.

Bootstrap 4 Components
The source: https://getbootstrap.com/docs/4.5/components/alerts/

These components are free to use, go with Bootstrap toolkit, fully responsive, some of them come with JS files, and they are completely reusable without any necessity in coding. 

However, if base Bootstrap 4 components don’t fit your design or your app requires specific components that the base toolkit doesn’t contain, you face the need to modify base components or to develop them from scratch. It’s can be hard and time-consuming, so we are here to help. At Flatlogic, we create responsive admin templates. We often use Bootstrap 4 components. You can look through some examples of a bootstrap dashboard.

In that article, we consider the most essential bootstrap components that were customized by other developers for different purposes. We show not the complete list of customized components because it would have taken a long series of articles to describe them all since the same components vary in different templates, UI toolkits, and starter kits. We offer you great and well-coded bootstrap-based samples of the most-used components that we believe are noteworthy. 

Enjoy reading!   

Basic Bootstrap 4 components

First of all, let’s examine the list of our essential components itself and how they look like in bootstrap toolkit (once again, link to documentation of the latest bootstrap is here:

  • Buttons. Have you ever seen the app without buttons? This is the fundamental UI element if you are not going just to display your users an app with only one page. Of course, you can use clickable icons, swipe for mobiles, or even trending voice control for apps, but it’s hard to imagine a no-buttons app. 
  • Alerts. Another crucial to provide contextual feedback to users. If a user performs any action, it’s supposed that the app notices the user about what he has done – here alerts go. 
  • Navbar. If you want to allow users to navigate through your app you probably need the navbar. The navigation bar should be clear, simple, and legible. It’s another very significant UI element. 
  • Forms and input groups. You can use it if you need to provide an opportunity to register, to fill in the feedback form, to leave a review, to leave your personal information in orders, write a comment, place a checkbox, so on and so forth. In general, every time user is supposed to provide any type of information here goes forms and input groups. 
  • Jumbotron. A component for calling extra attention to a certain piece of information. People’s attention is limited and they use apps for specific purposes while sometimes we need to share information that can be useful to users despite the fact whether ask users that information or not. We want to be sure that users will see it, and jumbotron helps here. But don’t misuse this instrument for advertisement because if it’s unwanted and intrusive you risk losing users.
  • Tabs. A useful component to manage content and space of the app. Add some animation to show and hide elements, make it smooth and your users will be grateful that they don’t need to scroll through the whole page to get a new piece of information.  
  • Carousel. A component for cycling through a series of images, text. Surely the carousel must be auto-rotating.
  • Social buttons. It’s a questionable component, but we still decide to include it in the list of essential elements for apps. The reason is simple: social media are extremely popular today and are being integrated into many apps with such functionality like social login, share via social media, or get in touch with someone with the help of chosen social messenger. You may consider this component not essential for the development of the application, but it’s definitely one of the most used ones.

Once again, you can find the description with examples of the code of every component in the official bootstrap documentation. And now, when we looked through the list of the most essential components for every web app that an official bootstrap toolkit offers, it’s time to see how these components can be customized.

Customized essential Bootstrap 4 components

1) Buttons

Buttons from UI Kit “Material design for bootstrap 4”

Buttons  Bootstrap 4 Components
The source: https://react.mdbootstrap.com/components/buttons

Here you can find fancy buttons based on material design principles. This component is a part of a quite popular UI KIT that is available in jQuery, Angular, React, and Vue versions. The KIT is free to use, but there is also a premium version that offers more styles for buttons, using gradient colors.  

You can see the component here.

2) Alerts

Alerts from Sing Html5

Alerts Bootstrap 4 Components
The source: https://flatlogic.com/templates/sing-app-html5/demo

Provide users with bright alert messages from Sing admin dashboard template. Alerts have additional buttons on it you can customize to your need. The template offers transparent, rounded alerts and specific alerts that contain additional HTML elements like dividers. 

You can download the component with the template here.

3) Navbar

Navbar from Material Kit

Navbar Bootstrap 4 Components
The source: https://demos.creative-tim.com/material-kit/index.html#navigation

Simple and beautiful navbars that was painted using vibrant and vivid colors. It is a part of UI kit, that can offer a lot of other components.  You can see the component here.

4) Forms and input groups

Bootstrap select

Forms and input groups Bootstrap 4 Components
The source: https://github.com/snapappointments/bootstrap-select

Nice looking jQuery based plugin that combines all possible functions to select something: multiselection, live search, search by keywords. The plugin also offers several inbuilt classes to customize input fields. 

You can download it here.

Bootstrap Fileinput

Bootstrap 4 Components
The source: https://plugins.krajee.com/file-advanced-usage-demo

From our point of view, this is the most multifunctional and featured component for file input that we found on the Internet. It supports preview of numerous file types like text, Html, videos, etc. You can delete files, change their positions in initial preview, set maximum file upload size, and much more. Since it offers comprehensive documentation with examples for every possible function it doesn’t take much time to customize the component.

You can download the component here.

Input groups from Light blue

Input groups from Light blue Bootstrap 4 Components
The source: https://flatlogic.com/templates/light-blue-html5/demo

Light blue is a premium template that can offer awesome and stylish form elements where you can prepend and append text or buttons to the input fields.

You can download it here.

5) Jumbotron

Jumbotron from Anchor UI Kit

 Jumbotron Bootstrap 4 Components
The source: https://wowthemesnet.github.io/Anchor-Bootstrap-UI-Kit/docs.html#jumbotron

You can find a nice-looking jumbotron in the component of Anchor UI Kit. You can use either standard simple jumbotron or a jumbotron with a background image. You can download UI kit here.

6) Nav tabs and pills

Navigation tabs from Miri UI

Nav tabs and pills Bootstrap 4 Components
The source: https://www.bootstrapdash.com/demo/miri-ui-kit-pro/demo/index.html

To download use the link.

7) Carousel

Carousel from Bootstrap Vue

Carousel Bootstrap 4 Components
The source: https://bootstrap-vue.org/docs/components/carousel

Bootstrap vue contains plugins, custom components, icons build on top of Bootstrap and Vue.js. One of the most fascinating UI element in there is a carousel. Along with sizing, setting the interval between slides, controls, and indicators that component can give you additional tools such as crossfade animation, touch swipe support, and placing content inside the sliders.  

You can download it here.

8) Social buttons

Social Buttons for Bootstrap

Social buttons Bootstrap 4 Components
The source: https://lipis.github.io/bootstrap-social/

With Social Sign-In Buttons you get a strict and minimalistic buttons without excessive animation or unnecessary hover effects. 

To download the component go here.

Fancy Flat Social Button Animation by Colorlib

Fancy Flat Social Button Animation by Colorlib
The source: https://codepen.io/colorlib/full/GOzroL

This component fully corresponds to its name. The specific animation upon hovering when the icon turns from a square into a circle looks fascinating. 

To use this free component go here.

Bonus. How effectively learn all Bootstrap 4 components, addons and plugins

Practice is the key to success. You need to create several applications using this simple tips for complete beginners.

Plugins are the secret of making great web applications

Including plugins in your app is a great development technique. There are online plugin libraries that you can find on the internet. Some are unofficial, but in any case, using plugins for forms, menus and navigation, tables, buttons and notifications can not only speed up development, but also significantly improve the visual component of your app.

Take a component-oriented approach

When developing a web application using Bootstrap, it is ideal to take a component-oriented approach rather than a page-oriented approach. This helps you develop reusable components that can be used across multiple pages. That is, you should not pay more attention to creating the HTML and CSS of the page, so the development process will go much faster. Plus it will give a stylistic uniformity, which is always a sign of good design.

Spend time on the mobile version of the app

To be more precise, it’s better to start with the mobile version. This is the key to success in developing responsive websites and apps. First, you will not overload the design with unnecessary elements that simply cannot be included in the mobile version. Secondly, it will just help you to save time. Let me emphasize again: mobile design must be perfect. The share of users using a smartphone is increasing every year, so this trend, apparently, will not decline.

You need something more than just Bootstrap 4 components

Bootstrap isn’t the answer to all questions. The best and most popular applications combine a fairly wide technological stack. It makes sense to use the most appropriate tool for each task.

In addition, Bootstrap itself can be customized to give your site a unique look and feel. The official Bootstrap site offers all the information you need about customization and supported options. This is perhaps the most important advice of all of the above. Don’t make the site look like everyone else. Create your own style.css file that will overwrite the default Bootstrap styles.

That’s all.

Thanks for reading.

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