20+ CSS Popup Windows [ Demo + Code ]

Welcome to Codewithrandom with a new blog today about 20 CSS popups being implemented using only HTML, CSS, and JavaScript.

Popups appear as separate tiny windows to take user information or provide new insights about related sites to the one being viewed. This feature helps us to store user information for future communication and also works as a warning message sometimes. Modals too have similar features to popups and are further discussed in the article. The only difference between both them is that models have very specific usage like deleting/sharing content.

These components no matter how small help the user experience the website and enhance their journey through the page-to-page of the site using CSS we present 20 CSS Popup projects with source code available for you to copy and paste directly into your own project.

In this blog post, we will discuss 20 CSS popups with complete source code so you can just copy and paste them into your own project. Happy exploring and learning !!

1. Animated Popup Android Style

See the Pen <a href=”https://codepen.io/ashwinsaxena/pen/ByMVZJ”> Animated Popup Android Style</a> by Ashwin Saxena (<a href=”https://codepen.io/ashwinsaxena”>@ashwinsaxena</a>) on <a href=”https://codepen.io”>CodePen</a>.

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Code by –	Ashwin Saxena
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	Yes
Responsive	Yes

Project 1 Table

Here you can see how the above project depicts the Animated Popup Android Style implemented using HTML, CSS, and JavaScript.

2. iOS7-like Confirm Dialog

See the Pen <a href=”https://codepen.io/Venerons/pen/eYgVyE”> iOS7-like Confirm Dialog</a> by Venerons (<a href=”https://codepen.io/Venerons”>@Venerons</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Venerons
Demo & Download	Click here For Code
Language Used –	HTML, CSS
External link / Dependencies	No
Responsive	Yes

Project 2 Table

In the given project you can see iOS7-like Confirm Dialog built using HTML and CSS.

3. Simple Confirmation Popup

See the Pen <a href=”https://codepen.io/adventuresinmissions/pen/ExwoWL”> Simple Confirmation Popup</a> by Adventures in Missions (<a href=”https://codepen.io/adventuresinmissions”>@adventuresinmissions</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Adventures in Missions
Demo & Download	Click here For Code
Language Used –	HTML, CSS,JS
External link / Dependencies	Yes
Responsive	Yes

Project 3 Table

Here you can see how the above project depicts the Simple Confirmation Popup implemented using HTML, and CSS.

4. popup window CSS

See the Pen <a href=”https://codepen.io/cassquan/pen/nmQoVy”> popup window css</a> by Cassandra (<a href=”https://codepen.io/cassquan”>@cassquan</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Cassandra
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	Yes
Responsive	Yes

Project 4 Table

In the given project you can see a popup window CSS built using HTML and CSS.

5. Popup Scroll Notification

See the Pen <a href=”https://codepen.io/zeinab92/pen/JYKyBx”> Popup Scroll Notification</a> by Zeinab Abounassif (<a href=”https://codepen.io/zeinab92″>@zeinab92</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Zeinab Abounassif
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	Yes
Responsive	Yes

Project 5 Table

Here you can see how the above project depicts the Popup Scroll Notification implemented using HTML, and CSS.

How to Create Image Comparison Slider Using HTML CSS and JavaScript

6. Popup Overlays in pure CSS

See the Pen <a href=”https://codepen.io/adrienlochon/pen/DPeVra”> Popup Overlays in pure CSS</a> by Adrien Lochon (<a href=”https://codepen.io/adrienlochon”>@adrienlochon</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Adrien Lochon
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	No
Responsive	Yes

Project 6 Table

In the given project you can see Popup Overlays in pure CSS built using HTML and CSS.

7. Smart Welcome Popup

See the Pen <a href=”https://codepen.io/sharjeet/pen/VwBBeB”> Smart Welcome Popup</a> by CEMR NFT Creator (<a href=”https://codepen.io/sharjeet”>@sharjeet</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	CEMR NFT Creator
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	Yes
Responsive	Yes

Project 7 Table

Here you can see how the above project depicts the Smart Welcome Popup implemented using HTML, and CSS.

8. Colourful Flower Popup Menu

See the Pen <a href=”https://codepen.io/jasperlachance/pen/yOJdRr”> Colourful Flower Popup Menu</a> by Jasper LaChance (<a href=”https://codepen.io/jasperlachance”>@jasperlachance</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Jasper LaChance
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	Yes
Responsive	Yes

Project 8 Table

In the given project you can see the Colourful Flower Popup Menu built using HTML and CSS.

9. Popup with “Blurred Background”

See the Pen <a href=”https://codepen.io/Palestinian/pen/OJXPVe”> Popup with “Blurred Background”</a> by Omar (<a href=”https://codepen.io/Palestinian”>@Palestinian</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Omar
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	No
Responsive	Yes

Project 9 Table

Here you can see how the above project depicts the Popup with a “Blurred Background” implemented using HTML, and CSS.

10. Modal Slide Up From Bottom

See the Pen <a href=”https://codepen.io/1wdtv/pen/LGGWrz”> Modal Slide Up From Bottom</a> by 1WD.tv – Freelance Web Designer Training (<a href=”https://codepen.io/1wdtv”>@1wdtv</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Freelance Web Designer Training
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	Yes
Responsive	Yes

Project 10 Table

In the given project you can see Modal Slide Up From Bottom built using HTML and CSS.

Create 404 Error Page Animated Using HTML & CSS

11. Popup Contact Form

See the Pen <a href=”https://codepen.io/andrewerrico/pen/gOBGdo”> Popup Contact Form</a> by Andrew (<a href=”https://codepen.io/andrewerrico”>@andrewerrico</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Andrew
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	Yes
Responsive	Yes

Project 11 Table

Here you can see how the above project depicts the popup Contact Form implemented using HTML, and CSS.

12. Popup on load page

See the Pen <a href="https://codepen.io/pedrobenoit91/pen/aJGzYg" target="_blank" rel="noopener"> Popup onload page</a> by Pedro Benoit (<a href="https://codepen.io/pedrobenoit91" target="_blank" rel="noopener">@pedrobenoit91</a>) on <a href="https://codepen.io" target="_blank" rel="noopener">CodePen</a>.

Code by –	Pedro Benoit
Demo & Download	Click here For Code
Language Used –	HTML, CSS
External link / Dependencies	No
Responsive	Yes

Project 12 Table

In the given project you can see Popup on the load page built using HTML and CSS.

13. Popup: Nightly

See the Pen <a href=”https://codepen.io/ionic/pen/JjoBpz”> Popup: Nightly</a> by Ionic (<a href=”https://codepen.io/ionic”>@ionic</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Ionic
Demo & Download	Click here For Code
Language Used –	HTML, JS
External link / Dependencies	No
Responsive	Yes

Project 13 Table

Here you can see how the above project depicts the Popup: Nightly implemented using HTML, and CSS.

`14. A pure CSS popup box

See the Pen <a href=”https://codepen.io/imprakash/pen/GgNMXO”> Pure css popup box</a> by Prakash (<a href=”https://codepen.io/imprakash”>@imprakash</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Prakash
Demo & Download	Click here For Code
Language Used –	HTML, CSS
External link / Dependencies	No
Responsive	Yes

Project 14 Table

In the given project you can see a Pure CSS popup box built using HTML and CSS.

15. CSS Modal Boxes for all browsers

See the Pen <a href=”https://codepen.io/cara-tm/pen/ayzXPJ”> CSS Modal Boxes for all browsers</a> by Patrick (<a href=”https://codepen.io/cara-tm”>@cara-tm</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Patrick
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	No
Responsive	Yes

Project 15 Table

Here you can see how the above project depicts the CSS Modal Boxes for all browsers implemented using HTML, and CSS.

Hangman Game Using HTM, CSS, and JavaScript

16. Css Modal

See the Pen <a href=”https://codepen.io/JonAnderDev/pen/wBBjRa”> Css Modal</a> by Jon Ander Pérez (<a href=”https://codepen.io/JonAnderDev”>@JonAnderDev</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Jon Ander Pérez
Demo & Download	Click here For Code
Language Used –	HTML, CSS
External link / Dependencies	No
Responsive	Yes

Project 16 Table

Here you can see how the above project depicts the Css Modal implemented using HTML, and CSS.

17. CSS Modals (Modal v2)

See the Pen <a href=”https://codepen.io/AbubakerSaeed/pen/eYOvKpY”> CSS Modals (Modal v2)</a> by Abubaker Saeed (<a href=”https://codepen.io/AbubakerSaeed”>@AbubakerSaeed</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Abubaker Saeed
Demo & Download	Click here For Code
Language Used –	HTML, CSS,JS
External link / Dependencies	No
Responsive	Yes

Project 17 Table

In the given project you can see CSS Modals (Modal v2) built using HTML and CSS.

18. Pure CSS Modal

See the Pen <a href=”https://codepen.io/ig_design/pen/BajVZre”> Pure CSS Modal – #15</a> by Ivan Grozdic (<a href=”https://codepen.io/ig_design”>@ig_design</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Ivan Grozdic
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	Yes
Responsive	Yes

Project 18 Table

Here you can see how the above project depicts the Pure CSS Modal implemented using HTML, and CSS.

19. Pure CSS Modals

See the Pen <a href=”https://codepen.io/akzhy/pen/rRZEmW”> Pure CSS Modals</a> by Akshay (<a href=”https://codepen.io/akzhy”>@akzhy</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Akshay
Demo & Download	Click here For Code
Language Used –	HTML, CSS, JS
External link / Dependencies	No
Responsive	Yes

Project 19 Table

In the given project you can see Pure CSS Modals built using HTML and CSS.

20. Pure CSS modal box

See the Pen <a href=”https://codepen.io/Idered/pen/DdeoeW”> Pure CSS modal box</a> by Kasper Mikiewicz (<a href=”https://codepen.io/Idered”>@Idered</a>) on <a href=”https://codepen.io”>CodePen</a>.

Code by –	Kasper Mikiewicz
Demo & Download	Click here For Code
Language Used –	HTML, CSS
External link / Dependencies	No
Responsive	Yes

Project 20 Table

Language Translator Using HTML, CSS &JavaScript

Here you can see how the above project depicts the Pure CSS modal box implemented using HTML, and CSS.

Hope you like all the 20 CSS Popup projects mentioned in this article and that they helped in increasing your understanding of the use of CSS Popup to enter and store user information required for future communication links or display vital information in a separate popup dialog or window all using CSS.

In This Blog Post, We Shared with you 20 CSS Popup projects with easy-to-implement demo source code available. Hope You Like Our Blog Post And Read Others To Gain Knowledge In Frontend Development. See Our Other Blogs And Gain Knowledge In Front-end Development

Thank You and Keep Learning!!