body {
    margin: 0;
    background: index.html;
    color: #fff;
    font-family: Red Rose, system-ui, sans-serif;
}

#container {
    max-width: 100%;
    margin: 20px auto;
    padding: 10px 20px;
}
#historyPicker {
    margin: 10px 0;
    font-size: 16px;
}

#historyPicker input {
    padding: 4px;
    font-size: 16px;
}

#historyPicker button {
    padding: 5px 10px;
    font-size: 16px;
    cursor: pointer;
}

#big {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 10px;
}

#chart {
    width: 100%;
    height: 320px;
    background: index.html;
    border-radius: 6px;
    display: block;
}

#tooltip {
    background: rgba(0,0,0,0.85);
    color: #fff;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 14px;
    position: fixed;
    display: none;
    z-index: 9999;
    pointer-events: none;
}