/* Layout */
.w3-content {
    max-width: 1200px;
    margin: 0 auto;
}

.w3-section {
    margin-top: 16px;
    margin-bottom: 16px;
}

/* Visibility */
.w3-show {
    display: block !important;
}

/* Force dropdowns to start hidden */
.w3-dropdown-content.w3-bar-block {
    display: none !important;
}

/* Allow JS to reveal them */
.w3-dropdown-content.w3-show {
    display: block !important;
}


/* Dropdown */
.w3-dropdown-content {
    display: none;
    position: static; /* your override */
    background: white;
    z-index: 10;
}

.w3-dropdown-content a {
    background-color: white;
}

/* Menu / sidebar */
.w3-bar-block {
    display: block;
    overflow-y: scroll; /* your override */
}

.w3-bar-item {
    display: block;
    padding: 8px 16px;
    cursor: pointer;
}

.w3-black {
    background: black;
    color: white;
}
/* Full-height black panel for the menu */
.w3-bar-block.w3-black {
    background: black;
    color: white;
    height: 100vh;
}

/* Menu items inside the black panel */
.w3-bar-block.w3-black .w3-bar-item {
    background: transparent;
    color: white;
}


/* Buttons */
.w3-button {
    display: inline-block;
    padding: 8px 16px;
    cursor: pointer;
}

/* Cards */
.w3-card {
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* Animation */
.w3-animate-zoom {
    animation: w3-zoom 0.3s ease;
}

@keyframes w3-zoom {
    from { transform: scale(0.8); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}