.chartist-tooltip {
    opacity: 0;
    width: auto;
    padding: 0.5em 1em;
    background: rgba(0,0,0,0.5);
    color: #fff;
    display: initial;
    font-weight: 700;
    text-align: center;
    position: relative;
    pointer-events: none;
    z-index: 1;
    -webkit-transition: opacity .2s linear;
    -moz-transition: opacity .2s linear;
    -o-transition: opacity .2s linear;
    transition: opacity .2s linear;
    border-radius: 3px;
}

.chartist-tooltip.tooltip-show {
    opacity: 1; 
}

.ct-area, .ct-line {
  pointer-events: none; }