By adjusting the design for distinct appliances with varying screen sizes, the Flexbox architecture has amended the overall website design construction process. Using the Flexbox design guarantees that components act comically when the page layout has to accommodate distinct screen sizes and display devices. Its ability makes its apps an optimal option of tiny and large scale. It is fairly difficult to design responsive UIs and accommodate UIs in numerous screen sizes and the procedure can be wince-worthy.  These Amazing Flexbox CSS Framework helps to build responsive website faster.

The Flexbox design places the components inside a container, assembles them, aligns them    and disseminates room along a single column or row, irrespective of their size. Based on the accessible screen resolution, this enables components to spread or decline inside the container.

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Elements can be aligned horizontally or vertically. In other term building a flexible and responsive design is the ideal choice. To speed up the web design process it comes with a fundamental set of parts and you can always overwrite with your Sass/css framework. 

Popular Lightweight Responsive Flexbox CSS Framework

To interpret the general appearance of a web page, the “Flexible Box” or “Flexbox” structure mode provides an alternative to Floats. While floats just allow us to place our boxes horizontally,  flexbox provides us complete control over our boxes ‘ alignment, direction, place, and size. Our extensive CSS flexbox design guide. This full manual describes everything about flexbox, concentrating on all possible parent element (flex container) and baby components (flex items) properties. It also contains history, simulations, designs, and assistance chart for browsers. Here are twelve amazing Flexbox css framework have a look with their short description .

1. Juiced

Juiced - Flexbox CSS Framework

Juiced is a versatile front-end CSS framework relying on the configuration of the Flexible Boxes Layout and has many advantages over current grid-based CSS frameworks. It also has one of the incredible things encountered in Foundation and Bootstrap, but heavy styling, beliefs, or a large codebase doesn’t come along. It has comparable characteristics you may discover with other Flexbox CSS frameworks, but with better portable targeting, custom column ordering, stronger alignment options, justifiable HTML, and fewer declarative styles it improves on them.

2. Basis

Basis is a first lightweight, mobile and flexible flexbox-based sass/css framework. The classes of the base are prefixed. And code style is BEM and using Sass / SCSS (MindBemding). It can be used as a CSS framework or as a mixin library for Sass / SCSS. Using basis CSS framework assist us to contribute less time on overriding style and concentrate more on developing lovely websites apps.

Basis - Responsive Design CSS Framework

It also consolidate the theory of vertical rhythm which provides a well-equitable design. The CSS architecture is based on FLOCSS, providing a modular strategy.

3. Bulma

Bulma is a Flexbox-based contemporary, flexible and versatile CSS framework. Flexbox is a design method to combine and split item room in a container where the item length is unspecified or dynamic. The flex container’s main characteristic is the capacity to alter the width / height of products in order to accommodate them in the finest probable room. It  is portable and offers alternatives for importing whatever you need. It comprises of 29 separately importable SASS files.


This framework only partly supports IE 10 +. With all contemporary web pages except IE, Bulma operates well.

4. Thimble CSS

Thimble CSS is a clever CSS framework formulated for the contemporary internet with Flexbox. It’s meant to have a smooth code and a tiny footprint. It is a Flexbox CSS framework that is light, responsive, open-source and SASS-ready. Responsive sizes of header. Responsive code from the box.  Code the way you want easily from desktop computer to mobile or mobile to desktop computer.

Thimble CSS - A Nimble CSS Framework built with flexbox

Also, Flexbox makes ThimbleCSS ideal for powering both your internet applications and websites.

5. Milligram

Milligram offers a setup of minimal style for a quick and tidy starting point. Just gzipped for 2 kb!. Milligram yields in cleaner code, especially intended for superior performance and better productivity with smaller reset characteristics. Milligram is intended for use in contemporary apps. The grid system uses the rem unit on the basis of Flexbox, dimensions and lengths. Milligram formally promotes Chrome, Firefox, IE, Safari, and Opera’s current versions.

6. Flexbox-grid

Flexbox is designed for only one-dimensional configurations and two-dimensional layout grid. This implies that if you put products in one direction (e.g. three buttons in a header), then use Flexbox: it will offer you more flexibility than CSS Grid. While flexing the flexbox is often  its power, it becomes quite complex  how a flex object is sized. It is a mixture of width, min-width, max-width, flex-base, flex-grow, and flex-shrink, not to address inside material and stuff such as white space, as well as other products in the same line.

7. Wire CSS

Wire is a SASS-based framework that is convenient and lightweight. Wire’s guiding principle is comfort  and inappropriate styles are avoided. It really only styles a fundamentals  HTML element and contains a Flexbox grid as well  as a set of mix-ins / aides  to facilitate  and quicker daily work. Wire is a strong CSS pre-processor published in Sass.

It can only be used with HTML classes or with your own courses mix-ins in your Sass, making it fully customizable.


BobScss is a CSS framework dependent on Flexbox to create totally responsive and mobile-first website design. It is a light-weight for the collection of fundamental styles and utilities. The framework focuses on velocity and efficiency. Without any trouble it  scales perfectly from phone to tablets to desktop on every device.

9. BEMSkel

BEMSkel – short for BEM Skeleton – uses BEM and SASS to create a lightweight CSS structure. It is intended to provide a strong basis for web apps and user interfaces depending on components. BEMSkel is authored using the BEM (Block, Element, Modifier) naming convention to provide a coherent and rigorous naming convention that enables you to divide your user interface into separate blocks and enable current code to be reused.

It offers styles for components such as text, buttons, tables, and structures that are most frequently used. There are also two methods to create grid systems: grid and Flexbox. Use grid as a straightforward rule if you just want to help older browsers or Flexbox.

10. Flexible grid layout

You can quickly get your project started using flexible grid layout ranging from using parts of the framework  to custom component. This layout manage the alignment, and sizing of grid columns, navigation, components, any more with a full suite of responsive Flexgrid utilities. For  more convoluted implementation custom CSS is vital. Responsive design generally involves using media queries from CSS3 and often implies flexible pictures from CSS3.

11. Kube UI Framework

Kube is a CSS-enabled framework aimed at creating contemporary, quick and lightweight designs. It arrives with 4px vertical grid-based horizontal rhythm, well-crafted typography, state-of – the-art tools for responsive design, and Flexbox-based interactive grid systems and aid for all contemporary desktop and mobile browsers. It does not enforce its own style  and requires no particular layout or procedure to be followed.

Kube has a super structure that assist you  to create modular and scalable application such as  admin panels or frontend for websites. You can generally use the Kube to create a website user interface or administrative interface, and save dozens of hours. Because Kube’s ready-made solutions alleviate you from routine duties.


A SPECTRE.CSS is a lightweight, responsive and modern CSS framework for quicker and extensible development. Spectre offers fundamental typography and element styles, flexbox-based responsive layout scheme, pure CSS components and supplies with best practice coding and coherent language of design. By editing Sass files in the /src folder or removing superfluous parts from the.scss source files, you can customize your Spectre.css version.

Spectre utilizes Autoprefixer to create the majority of styles congruent for CSS resets with previous browsers and Normalize.css. Spectrum is for contemporary browsers.

13. ChuckCSS

Chuck CSS is a versatile, adaptive, responsive and first mobile CSS framework relying on Flexbox grids produced with LESS and Autoprefixer. It involves many characteristics such as Flexbox grids, accurate typography, wonderfully written buttons, warnings and modal windows. It is also consistent with font libraries from FontAwesome and Ionicons.

14. Reflex

Reflex is a lightweight, flexible Flexbox grid with cross-browser assistance, a fallback inline block and no polyfill limitation. Polyfills is a fallback browser (produced in JavaScript) that permits you to function in older browsers with features you intend to operate in contemporary browsers. More about polyfills can be  read here. Reflex is an ideal option to create complex embedded grids predicated on the properties of the Flexbox layout. Its features:

  1. A lightweight package – minified for  12 KB and gzipped for  only 1.8 KB.
  2. Default grid cells of the same height.
  3. Reflex grid cells that never push one another  out of the manner(like floating grids).

15. CSS  Plus

CSS plus offers an easy and quick way to create flexible and responsive Flexbox-based layouts. Flexbox allows you to designate a flexible container where immediate kids can be flexible as well as floating as columns or rows.  Css plus enables the creation in seconds of complicated, responsive and flexible layouts based on these primary ideas:

1.Extensiveness  and/or flexibility
2. Media query
3.Rows and columns(table approach)


A promising way to create a website design is the Flexbox layout. While producing a flexible and responsive design, it provides full peace of mind. This article provides you an insight into some amazing CSS frameworks based on Flexbox that you can immediately being using. These frameworks are consistent with current, lightweight, modular, flexible and cross-browser.

You should be more cautious while indicating the right Flexbox-based CSS    framework. Your choice should be focused on parameters such as frame size, efficiency, browser compatibility, user friendliness, and weather or not it is actively retained. Luckily the design of the Flexbox does the work perfectly. It allows productive use of  the accessible screen room by changing width height and order to correctly assemble the components.