/* Menu */
.menu {
    display: grid;
    position: fixed;
    z-index: 999;
    width: 100%;
    grid-template-columns: repeat(4, 1fr); /* Four equal columns */
    place-items: center;
    margin-top: 15px;
    padding: 10px 0;
    background-color: #010a15;
    border-bottom: 1px solid #ffffff; /* White bottom border */
}

.menu a {
    font-weight: bold;
}