#vis4{
    /*background-color: #555555;*/
}
.counties :hover {
    stroke:black;
}

.counties {
    fill: none;
}

.states {
    fill: none;
    stroke: black;
    stroke-linejoin: round;
}

/***STYLES FOR TOOLTIPS****/
.tooltip-title, tooltip2-title {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.d3-tip {
    line-height: 1;
    padding: 12px;
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    border-radius: 2px;
}

/* Creates a small triangle extender for the tooltip */
.d3-tip:after {
    box-sizing: border-box;
    display: inline;
    font-size: 10px;
    width: 100%;
    line-height: 1;
    color: rgba(0, 0, 0, 0.8);
    content: "\25BC";
    position: absolute;
    text-align: center;
}

/* Style northward tooltips differently */
.d3-tip.n:after {
    margin: -1px 0 0 0;
    top: 100%;
    left: 0;
}
/* Style southward tooltips differently */
.d3-tip.s:after {
    margin: 0 0 1px 0;
    top: 100%;
    left: 0;

}