.greeting {
    font-size: 1.3em;
}
#reader {
    margin-top: 10px;
    border-radius: 20px;
    filter: grayscale(1);
}
#camera_select {
    display: none;
}
#scan-result-flag {
    background-color: yellow;
    color: red;
    display: inline-block;
    font-weight: 500;
    padding: 5px;
    border-radius: 5px;
    margin-top: 5px;
}
main {
    margin-top: 10px;
    margin-left: 15px;
    margin-right: 15px;
}
.config {
    margin-top: 20px;
}
footer {
    display: block;
}
.overlay {
    z-index: 500;
}
nav[class="bottom"] {
    z-index: 1;
}
h5 {
    font-size: x-large !important;
}
.modal-but-not-blocking {
    z-index: 500 !important;
}
h6 {
    font-size: medium !important;
}