15+ Amazing CSS Backgrounds

Hello there! In this article, you will find 15+ CSS Backgrounds designs with complete source code so you just copy and paste it into your project and create trendy animations and visual effects with CSS.

The first the user notices on any website is its background, which sets the whole theme and vibe of a website. so, choosing the right background for your project is very crucial.

Don’t worry we’ve got you covered. We have Handpicked the best 15+ CSS Backgrounds designs from the web for you to use in your project.

Let’s see some cool 15+ CSS Backgrounds designs.

1. CSS Animated Backgrounds Gradient

Code by	Álvaro
Demo & download	click here for code
Language used	HTML(Pug),CSS(SCSS)
External link / Dependencies	No
Responsive	Yes

Let’s start the list with a simple gradient background. You can tweak the gradient colors by changing values in the background-image property.

2. Pure CSS Background Image Scroll Effect

Code by	carpe numidium
Demo & download	click here for code
Language used	HTML,CSS(SCSS)
External link / Dependencies	No
Responsive	Yes

This is a cool background that changes the background image properties on scrolling.

3. Pure CSS Particle Animation

Code by	Takeshi Kano
Demo & download	click here for code
Language used	HTML(Pug),CSS(SCSS)
External link / Dependencies	Yes
Responsive	Yes

CSS particle animation without JavaScript, with a city skyline background. Here, The vignetting was created by the mask-image property.

4. CSS Fireflies

Code by	Mike Golus
Demo & download	click here for code
Language used	HTML(Pug),CSS(SCSS)
External link / Dependencies	No
Responsive	No

Creepy forest background, perfect for a scary website. This is a very elegant HTML/CSS-only solution for adding a tranquil fireflies effect on a page.

3D Cube Image Slider using HTML, CSS &JavaScript

5. 80’s retro background

Code by	Álvaro
Demo & download	click here for code
Language used	HTML,CSS(SCSS),JS
External link / Dependencies	No
Responsive	Yes

If you are going for a retro-themed website, then this is the jackpot. A famous retro landscape from the 80s was recreated in CSS.

6. Only CSS: Waring

Code by	Yusuke Nakaya
Demo & download	click here for code
Language used	HTML(Pug),CSS(SCSS)
External link / Dependencies	Yes
Responsive	No

A warning page with a stripe background effect. Proceed further with caution.

7. Pure CSS infinite background animation

Code by	Kootoopas
Demo & download	click here for code
Language used	CSS(SCSS)
External link / Dependencies	No
Responsive	No

An infinite grid layout background by Kootoopas could be a great addition to minimal or even academics websites.

8. pure CSS twinkling stars background

Code by	Anastasia Goodwin
Demo & download	click here for code
Language used	HTML,CSS(SCSS)
External link / Dependencies	No
Responsive	No

Subtle twinkling stars and moving clouds animation using CSS only.

9. CSS Fireflies

Code by	Álvaro
Demo & download	click here for code
Language used	HTML,CSS(SCSS)
External link / Dependencies	No
Responsive	Yes

Another background by Álvaro an elegant HTML/CSS-only solution for adding a tranquil fireflies effect to any page.

Drag & Drop or Browse &File Upload using HTML CSS and JavaScript

10. Sliding Diagonals Background Effect

Code by	Chris smith
Demo & download	click here for code
Language used	HTML, CSS
External link / Dependencies	No
Responsive	Yes

A very vibrant and fun background with sliding Diagonals of Blue and Green colors.

11. Pure CSS Fireworks

Code by	Álvaro
Demo & download	click here for code
Language used	HTML(Pug),CSS(SCSS)
External link / Dependencies	No
Responsive	Yes

Looking for a festive background? Well look no more, We have found the best festive background for you.

12. CSS particle-style animation

Code by	John
Demo & download	click here for code
Language used	HTML(Haml),CSS(SCSS)
External link / Dependencies	Yes
Responsive	Yes

Very slow and futuristic animation with floating shapes.

13. Particle Orb CSS

Code by	Nate Wiley
Demo & download	click here for code
Language used	HTML(Haml),CSS(SCSS),JS
External link / Dependencies	No
Responsive	No

A sci-fi background design by Nate Wiley. The particle orb design reminds me of the big bang, followed by the expansion of the universe.

14. TS Particles mouse trail unveiling background

Code by	Matteo Bruni
Demo & download	click here for code
Language used	HTML, CSS
External link / Dependencies	Yes
Responsive	Yes

Another particle design but this one changes on hovering with very colorful particles.

3D Text Effect using HTML and CSS

15. Parallax Star background in CSS

Code by	sarazond
Demo & download	click here for code
Language used	HTML(Haml),CSS(SCSS)
External link / Dependencies	Yes
Responsive	Yes

Here a very simple sass function and CSS animation keyframes are used to build parallax scrolling stars in space. The sass function creates a random star field on each load.

That’s it, folks. In this article, we shared 15+ CSS backgrounds with cool and different designs. We covered everything from simple gradient backgrounds to backgrounds with particles, infinite grids, and even a retro theme. Hope you liked this article. Share this with your fellow developers. Comment down below with your thoughts and suggestions.

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