20+ CSS Animated Backgrounds Effects (Code + Demo)

If you are looking for CSS animated background then you are in the right place. Here I shared with you 20 Best CSS Background Animation Design.

Each design is made completely beautiful and modern. Some designs are used in beautiful background animations, color effects in some designs, and text effects in some designs.

Most of the background CSS animations are created by Basic HTML and CSS. However, there are some designs that have little JavaScript used to create much more advanced ones.

Each Animation CSS Background needs the required source code and previews here. Since there are 20 different types of CSS animated backgrounds, you will find any design you like.

Bubble Background Animation CSS

See the Pen Bubble background animation by Diyorbek Olimov (@diyorbek0309) on CodePen.

If you want to use a basic CSS animated background then you can use the design. Beautiful color effects and bubble animation are used here in the background.

Here basically bubbles can be seen in the background and those bubbles are formed here and disappear after going some distance. You can create this animated background css very easily if you know basic html css.

You can increase or decrease the amount of Bubble here as you like. Not only that but you can do everything from changing the color. First, the bubbles are added using some HTML. Then the background animation is activated using CSS.

Link: Source Code + Demo

Gradient background Animation with waves

See the Pen Gradient background with waves by Bárbara Rodríguez (@baarbaracrr) on CodePen.

This is an awesome background gradient animation made with basic html and css. Waves effect has been added here i.e. animation-like waves have been added in the background which makes this design much more attractive.

You can definitely use this kind of animated css background in your website background or homepage. This gradient background is created with just three lines of HTML and CSS.

Also, Gradient color animation has been added here which is changing color at certain intervals. So if you want to create a CSS animated background very easily then you can follow this design.

Link: Source Code + Demo

Hexagon background animation css

See the Pen Tessellation #1 (Hexagon background with 0 HTML) by Temani Afif (@t_afif) on CodePen.

This css animate background is completely different. Here small hexagonal elements are created on the background and a color animation can be seen on its border.

Basically it is full webpage background with gradient color effect and hexagonal elements on it. These elements are made by white color.

I will share another design like this later where different effects can be seen on mouse movement. Here only 10 lines of CSS are used to create this background css animation.

Link: Source Code + Demo

CSS Animated Backgrounds Effects

See the Pen CSS linear-gradient animations by Ryan Mulligan (@hexagoncircle) on CodePen.

This is an advanced type of CSS linear-gradient animation that uses a small amount of CSS to create. You can use this background animation in many places. There are basically several small elements that will be connected to each other to create elements of different sizes.

It will look great if you use it in the background of your project. No JavaScript was used to build it, it was built primarily with CSS. They are created using before and after CSS.

Link: Source Code + Demo

CSS Animated Background Example

See the Pen Bubble Float by alphardex (@alphardex) on CodePen.

This css background animation is completely different and it is very beautiful. The amount of code used here is also very less. Basically, there are small bubbles moving in the background. We have created these bubbles with HTML and designed them with CSS. They are made in different sizes. Basically, these elements are rising from the bottom to the top.

You can use this CSS animate background in any web page or project background. Because it is very beautiful and professional so using it in the background of any of your elements will surely enhance its beauty.

A very small amount of HTML and CSS has been used to create this CSS Animated Backgrounds Effects.

Link: Source Code + Demo

Sliding Diagonals Background Effect

See the Pen Sliding Diagonals Background Effect by Chris Smith (@chris22smith) on CodePen.

This css animated background is a bit different. Here basically the animation is added as a slider. Basically many sliders are automatically repositioned.

Each slider has a different background color and there is a certain rhythm to changing sliders which creates a nice animation.

Creating these CSS Animated Backgrounds is very easy. First, the sliders are created here by HTML. Then a specific background color is added for each slider.

Link: Source Code + Demo

ColorDrops Background Animation css

See the Pen ColorDrops by Nate Wiley (@natewiley) on CodePen.

If you want a nice gradient color in the background of your project then you will definitely like this design. Basically gradient rain effect has been added here i.e. the kind of effect that happens when it rains has been added here.

Not only that, there is a different color for each element ie each raindrop. You can use this pure css animated background in any project.

Link: Source Code + Demo

Pure CSS Animated Background

See the Pen Pure Css Animated Background by Mohammad Abdul Mohaiman (@mohaiman) on CodePen.

If you want to create an animated background effect with basic css then you can use this design. It is built with some basic HTML and CSS. The best thing is that it is very easy and simple to design. You can easily use this CSS Animated Background for professional work.

Basically the background has some elements that are moving from one end to the other. background-color is used very light and a background blur effect is added.

You can basically use this Pure CSS Animated Background in the background of the webpage or in the background of any element. No JavaScript is used here. So if you want to make it you won’t have any problem.

Link: Source Code + Demo

See the Pen Animated Background by Marco Guglielmelli (@MarcoGuglielmelli) on CodePen.

Link: Source Code + Demo

Cloudy Spiral CSS background animation

See the Pen Cloudy Spiral CSS animation by Hakim El Hattab (@hakimel) on CodePen.

This background animation is completely different. This Cloudy Spiral CSS background animation is made in a modern way. You can use this as a loading animation. Basically there is a kind of animation added to the background that is loading in a circle and will continue to infinity.

This animation effect looks very nice. It uses basic HTML and some CSS to create it. Since no javascript is used here. So the amount of CSS used is a bit high. Because different types of animations have been added in this Background Animation css and various small elements have been created.

Link: Source Code + Demo

See the Pen Infinite SVG Triangle Fusion by Rob DiMarzo (@robdimarzo) on CodePen.

Link: Source Code + Demo

See the Pen Animation background #1 by Maxim (@cnupm99) on CodePen.

Link: Source Code + Demo

See the Pen Animated Background Gradient by katmai7 (@katmai7) on CodePen.

Link: Source Code + Demo

See the Pen Hearts animation background by Pogany (@giaco) on CodePen.

Link: Source Code + Demo

See the Pen Animated CSS mask-image gradient by Chris Neale (@onion2k) on CodePen.

Link: Source Code + Demo

Hope you got your favorite CSS Animated Backgrounds Effects designs from this collection. Here I have given you examples of the best designs. Next time I will add more designs here.

Be sure to let us know which design you like among these 20 best Background Animation CSS.