style.css

@import url('https://fonts.googleapis.com/css2?family=Pacifico&family=Poppins:wght@100;200;400&display=swap');

body {
    width: 300px;
    height: 475px;
    font-family: 'Pacifico', cursive;
    font-family: 'Poppins', sans-serif;
    background-color: #00DBDE;
    background-image: linear-gradient(90deg, #00DBDE 0%, #FC00FF 100%);
}

.opener {
    margin-top: 10vh;
}

h3 {
    font-size: 18px;
    margin-top: 1vh;
    color: white;
    text-align: center;
}

.base {
    display: flex;
    justify-content: center;
}

.button1 {
    border-radius: 200px;
    color: rgb(107, 14, 229);
    display: flex;
    justify-content: center;
    margin-top: 7.5vh;
    display: flex;
    height: 8vh;
    width: 45vw;
    background-color: rgb(27, 215, 215);
    align-items: center;
    font-size: 5vh;
}

.button1:hover {
    background-color: white;
    color: black;
    cursor: pointer;
}

#qrcode {
    display: flex;
    justify-content: center;
    margin-top: 5vh;
}

#qrcode1 {
    display: none;
}

.dbox {
    margin-top: 2.5vh;
    display: flex;

    justify-content: center;
}

#qrdl {
    text-align: center;
    font-size: 18px;
    font-family: 'Poppins', sans-serif;
    color: black;
    background-color: rgb(255, 255, 255);
    height: 30px;
    width: 50vw;
    border: 3px solid grey;
}