#graph-error-message {
    color: #c00;
    background: #fff0f0;
    border: 1px solid #c00;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 4px;
}

@media screen and (max-width:600px) {
    #graph-container {
        transform: rotate(90deg);
        min-width: 400px;
        min-height: 400px;
        max-width: 600px;
        max-height: 600px;
        transform-origin: 40% 40%;
    }

    canvas#power-chart {
        min-height: 300px;
    }
}

#graph-container {
    width: 100%;
}