html {
    height: 100%;
}

body {
    font-family: sans-serif;
    padding: 0 10px;
    height: 100%;
    background: #462d5e;
    margin: 0;
}

h1 {
    color: white;
    margin: 0;
    padding: 15px;
}
#container {
    text-align: center;
    margin: 0;
}

.btn-generator-qr{
    cursor: pointer;
}

.btn-generator-qr img{
    /*position:absolute;*/
    height: 13em;
    padding: 15px;
    margin: 15px auto;
    background: white;
}