/* Hide 25px height spacer divs in MapStore */
div[style*="height: 25px"] {
    display: none !important;
}

/* Alternative: reduce height instead of hiding completely */
/* Uncomment below if you want to reduce height instead of hiding
div[style*="height: 25px"] {
    height: 0px !important;
    min-height: 0px !important;
    max-height: 0px !important;
}
*/