#canvas-holder {
        width: 100%;
        margin-top: 10px;
        text-align: center;
    }
    #chartjs-tooltip {
        opacity: 1;
        position: absolute;
        background: rgba(0, 0, 0, .7);
        color: white;
        padding: 3px;
        border-radius: 3px;
        -webkit-transition: all .1s ease;
        transition: all .1s ease;
        pointer-events: none;
        -webkit-transform: translate(-50%, 0);
        transform: translate(-50%, 0);
    }
    #chartjs-tooltip.below {
        -webkit-transform: translate(-50%, 0);
        transform: translate(-50%, 0);
    }
    #chartjs-tooltip.below:before {
        border: solid;
        border-color: #111 transparent;
        border-color: rgba(0, 0, 0, .8) transparent;
        border-width: 0 8px 8px 8px;
        bottom: 1em;
        content: "";
        display: block;
        left: 50%;
        position: absolute;
        z-index: 99;
        -webkit-transform: translate(-50%, -100%);
        transform: translate(-50%, -100%);
    }
    #chartjs-tooltip.above {
        -webkit-transform: translate(-50%, -100%);
        transform: translate(-50%, -100%);
    }
    #chartjs-tooltip.above:before {
        border: solid;
        border-color: #111 transparent;
        border-color: rgba(0, 0, 0, .8) transparent;
        border-width: 8px 8px 0 8px;
        bottom: 1em;
        content: "";
        display: block;
        left: 50%;
        top: 100%;
        position: absolute;
        z-index: 99;
        -webkit-transform: translate(-50%, 0);
        transform: translate(-50%, 0);
    }