body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #333; /* Darkish background */
    color: #f0f0f0; /* Light text */
}

.container {
    display: flex;
    gap: 10px; /* Space between columns */
    padding: 20px;
}

.column {
    flex: 1; /* Make all columns equal width */
    background-color: #444; /* Slightly lighter dark background for columns */
    border: 1px solid #555; /* Subtle border for separation */
    padding: 15px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2); /* Soft shadow effect */
    text-align: center;
    border-radius: 5px; /* Rounded corners */
}

.column:hover {
    background-color: #555; /* Slightly lighter on hover */
}