5 Best CSS Frameworks for 2021

5 Best CSS Frameworks for 2021

A CSS framework is a library that provides easier web design using the CSS language. Developers use frameworks to make design simpler and more efficient. There are many CSS frameworks available for download, but you may not know where to start. This blog highlights some of the top CSS frameworks.

5 Best CSS Frameworks 2021


A list about CSS frameworks would not be complete without Bootstrap CSS. Created in 2011, it is one of the most widely known and popular frameworks. It was developed by the team at Twitter and uses a combination of CSS, Javascript, and HTML for web design.

Everyone knows that writing code can be time consuming. With Bootstrap, you can save time. A big benefit of Bootstrap is documentation. If you are not so great at keeping up with your documentation, Bootstrap does it for you. It is a fully featured, frontend framework that is easy for any developer to build well-designed UI.

Because it is one of the most popular open-source frameworks, it is supported by a community of hundreds of developers. If you have a problem, you will be able to easily find support.


CSS Frameworks 2021

Bulma is an open-source framework that is lauded for being lightweight and contemporary. While not being as popular as other frameworks, such as Bootstrap, it is still highly praised. It is also a fairly simple CSS framework to use with a unique aesthetic.

Bulma is responsive, easy to use, and customizable. It has a clean design so even on default settings, you will have a well-designed website. Bulma CSS can make even simple web pages look sleek and modern.

Though it is a CSS-only framework, it integrates well with Javascript frameworks.


Like Bootstrap, Foundation CSS was created in 2011. It is a tried-and-true CSS framework that is also quite popular. It is fully featured framework, which makes it a perfect choice for seasoned developers. It may take longer for a beginner to use this framework.

Foundation has built-in components, flexible grids, and widgets for everything you need. Foundation also includes pre-built HTML templates created by the community, so you can take what you need and get started. Foundation is supportive and offers different courses and services.


CSS Frameworks 2021

Materialize CSS is an open-source, CSS framework known for its responsiveness. It is created with CSS, Javascript, and HTML for web design and mobile app development. Because of its features, it is suited for less experienced developers.

This open-source framework is easy to work and integrate. Materialize offers great user experience and interactions. It easily integrates Javascript plug-ins too. There are so many color palette options with an excellent selection of user icons.


Milligram CSS is a more minimalist framework with a following. It is known for increasing productivity. It’s simple and easy to learn. It has minimal setup and styles for a fast and clean starting point. It is specifically designed for a better performance and higher productivity with fewer properties, leaving you with clean code.

If you need support, there is a community of developers to help you out.

Contact Us Today!

If you are ready for your next web design or mobile app development project, Code Authority’s team of developers are ready for any challenge. We can design the website or mobile app you have been waiting for. Contact us today for a free project estimate!