/* Base styling for body */
body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f7fa;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    border-radius: 10px;
    text-align: center;
}

h1 {
    margin-bottom: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #333;
}

/* Table Styling */
.tables-wrapper {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.single-column-table {
    width: 30%;
    margin-bottom: 20px;
    border-collapse: collapse;
    background-color: #fff;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
}

.single-column-table thead {
    background-color: #808080; /* Gray header */
    color: white;
}

.single-column-table th, .single-column-table td {
    padding: 15px;
    text-align: center;
    border-bottom: 1px solid #ddd;
    font-size: 14px;
}

.single-column-table tbody tr:nth-child(odd) {
    background-color: #f9f9f9;
}

/* Responsive Design for Mobile */
@media (max-width: 768px) {
    .tables-wrapper {
        flex-direction: column;
        align-items: center;
    }

    .single-column-table {
        width: 90%;
    }
}