body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

.main {
    margin-top: 30px;
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0px 0px 10px 0px #ccc;
}

table {
    width: 100%;
    margin: 20px 0;
    border-collapse: collapse;
}

table, th, td {
    border: 1px solid #ddd;
    padding: 8px;
}

th {
    background: #333;
    color: #fff;
}

button {
    background: #333;
    color: #fff;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

/* Basic styling for the Dashboard */
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

header {
    background: #34495e;
    color: #fff;
    text-align: center;
    padding-top: 10px;
    padding-bottom: 10px;
    max-height: 50px;
}

header a {
    color: #fff;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
    margin-bottom: 10px;
}

.container {
    display: flex;
}

.main-content {
    flex: 1;
    padding: 20px;
    margin-left: 250px;
}

.dashboard-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 20px;
    margin: 10px;
    flex: 1 1 calc(33.333% - 20px);
    text-align: center;
}

.card h3 {
    margin: 0;
    font-size: 1.5em;
}

.chart-container {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 20px;
    margin: 10px;
    flex: 1 1 calc(33.333% - 20px);
    text-align: center;
}

.chart-container h2 {
    font-size: 1.5em;
    margin: 0 0 10px 0;
}

.chart {
    width: 100%;
    height: 150px;
}