/* Fixed header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background-color: #091F2F;
    color: #FFFFFF;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Map container */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

#map {
    position: absolute;
    top: 60px;        /* height of header */
    bottom: 0;
    left: 0;
    right: 0;
}