style.css

body{
    background-color: rgb(173, 192, 206);
    text-align: center;
    margin: 5% 30%;
    font-family: 'Work Sans', sans-serif;
}

h1{
    color: white;
    margin-top: 9rem;
    font-size: 2.5rem;
}

h2{
    padding-bottom: 2.5rem;
    color: rgba(0, 0, 0, 0.597);
}

h3{
    color:white;
}

input{
    width: 70%;
    height: 1.9rem;
    text-align: center;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
}

button {
    margin-top: 1.5rem;
    margin-bottom: 2rem;
    height: 2.6rem;
    width: 15rem;
    font-size: 1.2rem;
    background-color: rgba(115, 249, 111, 0.865);
    border-radius: 8px;
    border: none;
    color: rgba(43, 93, 40, 0.866);
    cursor: pointer;
    transition: 0.3s all;
}

button:hover {
    cursor: pointer;
    background-color: #4361ee;
    color: #caf0f8;
    transform: scale(0.96);
}

#qrcode {
    margin-top:15px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
  }