/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Roboto;
}

/* Conteudo Principal */
body {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #38eb65;
    min-height: 100vh;
}

.container {
    background-color: #fff;
    height: 260px;
    width: 400px;
    padding: 20px;
    border-radius: 10px;
    transition: .2s;
}

.container.active {
    height: 500px;
}

#qr-header {
    text-align: center;
}

#qr-header h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

#container p {
    font-size: .9rem;
    color: #444;
}

#qr-form {
    margin: 20px 15px;
}

#qr-form input,
#qr-form button{
    width: 100%;
    height: 55px;
    border: none;
    border-radius: 5px;
    font-size: .9rem;
}

#qr-form input {
    padding: 10px 15px;
    border: 1px solid #777;
}

#qr-form button {
    background-color: #086824;
    color: #fff;
    opacity: .9;
    font-size: 1.2rem;
    margin-top: 20px;
    transition: .4s;
    cursor: pointer;
}

#submit-input:hover {
    opacity: 1;
}

/* QR Code */
#qr-code {
    opacity: 0;
    display: flex;
    justify-content: center;
    border: 1px solid #ccc;
    padding: 30px 0;
    margin: 20px 15px;
    border-radius: 5px;
    transition: .5s;
}

.container.active #qr-code {
    opacity: 1;
}