#header {
    width: calc(100vw - 2 * var(--body-margin-horizontal));
    height: var(--header-height);
    overflow: hidden;
    display: flex;
    gap: 1em;
    flex-wrap: nowrap;
    justify-content: flex-end;
}

#header .file::before {
    content: attr(data-type) " file: "
}

#vl_frame::before {
    content: " - framenr: ";
}

#vl_pct::before {
    content: " - ";
}
#vl_pct::after {
    content: "%";
}
#vl_time::before {
    content: "(";
}
#vl_time::after {
    content: ")";
}