#chartContainer {
    font-family: "IRANYekanX" !important;
    max-width: 100%;
    width: 100vw;
    overflow-x: auto;
    margin: 0 auto;
    height: 350px;
    padding: 10px;
}

canvas#priceChart {
    width: 100% !important;
    height: 100% !important;
}

@media (max-width: 600px) {
    #chartContainer {
        height: 280px;
    }
}