body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #f4f4f4;
    margin: 0;
}

.dashboard {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 80%;
    max-width: 800px;
}

.stats-container {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

.stat-box {
    background-color: #007bff;
    color: white;
    padding: 20px;
    border-radius: 8px;
    flex: 1;
    margin: 0 10px;
}

.stat-box h2 {
    margin: 0;
    font-size: 18px;
}

.stat-box p {
    font-size: 24px;
    margin: 10px 0 0;
}

#callChart {
    max-width: 100%;
    height: 400px;
}