* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: url(./Img/Background.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    overflow: hidden;
}

.container {
    height: 260px;
    background: #fff;
    max-width: 410px;
    border-radius: 10px;
    padding: 16px 25px;
    transition: height 0.5s ease;
}

.container.active {
    height: 530px;
}

header h1{
    text-align: center;
    font-weight: 500;
    font-size: 21px;
}

header p {
    color: #474747;
    font-size: 16px;
    text-align: center;
    margin-top: 5px;
}

.container .form {
    padding: 20px 0 25px;
}

.container :where(input,button) {
    width: 100%;
    height: 55px;
    border: none;
    outline: none;
    border-radius: 10px;
}

.form input {
    padding: 0 17px;
    font-size: 18px;
    border: 1px solid #999;
}

.form button {
    color: #fff;
    background: #e41717;
    transition: 0.5s ease;
    margin-top: 20px;
    font-size: 17px;
    cursor: pointer;
}

.form button:hover {
    background: #921010
}

.container .qr-code {
    display: flex;
    opacity: 0;
    pointer-events: none;
    padding: 33px 0;
    border-radius: 5px;
    align-items: center;
    justify-content: center;
}

.qr-code .img {
    width: 200px;
    height: auto;
}

.container.active .qr-code {
    opacity: 1;
    pointer-events: auto;
    transition: opacity 0.5s ease;
}