body {
    padding-top: 70px;
}

.chart-container {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.panel {
    margin-top: 20px;
}

.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 60px;
    background-color: #f5f5f5;
    padding-top: 20px;
}