#chartdiv {
                width: 100%;
                height: 500px;
            }
            @media (max-width: 767px) {
                .btn-secondary, .d-flex .btn-primary {
                    font-size: 0.55rem !important;
                    padding: 0.77rem 0.9rem !important;
                    min-width: 1.8rem !important;
                    margin-right: 5px !important;
                }
            }
            @media (min-width: 768px) {
                .button-group {
                    display: flex;
                    justify-content: center;
                    gap: 15px;
                }
            }