body {
    font-family: 'Arial', sans-serif;
    text-align: center;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #ff7e5f, #feb47b); /* Gradient background */
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

header {
    background: rgba(0, 123, 255, 0.9); /* Semi-transparent header */
    color: white;
    padding: 20px;
    border-bottom: 3px solid #0056b3;
    width: 100%;
    box-sizing: border-box;
    position: absolute;
    top: 0;
}

h1 {
    margin: 0;
    font-size: 2.5em;
}

main {
    background: #ffffff; /* White background for content */
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    padding: 20px;
    width: 90%;
    max-width: 1000px;
    margin-top: 80px;
    box-sizing: border-box;
}

#status {
    margin-bottom: 20px;
}

#countdown, #o13-value {
    font-size: 2em;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
}

#data-display {
    margin-bottom: 20px;
}

table {
    border-collapse: collapse;
    width: 100%;
    font-size: 18px;
    border-radius: 8px;
    overflow: hidden;
}

table, th, td {
    border: 1px solid #ddd;
}

th, td {
    padding: 15px;
    text-align: left;
}

th {
    background-color: #007bff;
    color: white;
    font-size: 1.2em;
}

td.color-red {
    background-color: #f44336;
    color: white;
}

td.color-blue {
    background-color: #2196F3;
    color: white;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

tr:hover {
    background-color: #ddd;
}

@media (max-width: 768px) {
    table {
        font-size: 16px;
    }

    th, td {
        padding: 10px;
    }
}