Popup Using HTML CSS and JavaScript

Hey, developers welcome to Day 11 of our 90Days 90Projects challenge. And in Day 11 we are going to create a popup using HTML CSS and JavaScript which opens the popup menu when a user click on button.

So to run this code you just need to copy the HTML and CSS code and run it into your code Editor. 




<!DOCTYPE html>
<html lang="en">

    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title> Popup Menu </title>
    <link rel="stylesheet" href="style.css">

    <div class="mainContainer">
        <button class="btn" id="submit"> Submit </button>
        <div class="popupContainer" id="popupMenu">
            <img id="image" src="./thankyou.webp" alt="">
            <h2> Thank You!</h2>
            <p> Thank you sir! Your form has been successfully submitted </p>
            <button id="close"> ok </button>
<script src="script.js"></script>

CSS Code


@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;

body {
    background-color: rgb(33, 31, 31);

.mainContainer {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    position: relative;

.btn {
    outline: none;
    border: none;
    background-color: rgb(12, 252, 24);
    color: black;
    font-size: 20px;
    padding: 1rem 4rem;
    border-radius: 2rem;
    cursor: pointer;

.btn:hover {
    background-color: rgb(32, 236, 42);


.popupContainer {
    position: absolute;
    top: -10%;
    width: 20rem;
    transform: scale(0.1);
    border-radius: 1rem;
    background-color: #fff;
    visibility: hidden;
    padding: 1rem;
    transition: all .4s linear;

.popupActive {
    top: 30%;
    visibility: visible;
    transform: scale(1.1);

.popupContainer h2,
p {
    text-align: center;

#close {
    width: 100%;
    font-size: 1.2rem;
    margin-top: 1rem;
    padding: .6rem;
    border-radius: 2rem;
    border: none;
    text-transform: uppercase;
    font-weight: bold;
    cursor: pointer;
    color: rgb(77, 0, 0);

    background-color: rgb(245, 73, 73);

#close:hover {
    color: rgb(245, 73, 73);
    background-color: rgb(234, 183, 183);


#image {
    width: 5rem;
    margin: 0 auto;
    display: block;
    position: relative;
    top: -4rem;
    background-color: rgb(236, 225, 66);
    border-radius: 50%;



const submitBtn = document.getElementById('submit')
const closeBtn = document.getElementById('close')
const popup = document.querySelector('.popupContainer')

submitBtn.addEventListener('click', function () {

closeBtn.addEventListener('click', function () {


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Post a Comment

* Please Don't Spam Here. All the Comments are Reviewed by Admin.
  1. there is an error you didn't taken any class named popupActive but you have used it in css

  2. It didnt show the Thanks text.


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