canvas {
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
}

#chartjs-tooltip {
    opacity: 1;
    position: absolute;
    background: rgba(0, 0, 0, .7);
    color: white;
    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-key {
    display: inline-block;
    width: 10px;
    height: 10px;
    margin-right: 10px;
}