15+ Amazing CSS Backgrounds
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

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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
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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.
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7. Pure CSS infinite background animation
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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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