/* Hide the automatic WordPress page title */
.page .entry-title,
.page .page-title {
    display: none !important;
}
/* Completely remove the black top bar */
.top-bar,          /* ← change this to the real class/ID */
.topbar,
#top-bar,
.header-top,
.site-top-bar {
    display: none !important;
    height: 0 !important;
    min-height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    overflow: hidden !important;
    visibility: hidden !important;
}