.tooltipster-dark {
	border-radius: 5px; 
	border: 1px solid #666;
	background: #4c4c4c;
	color: #d1d1d1;
}
.tooltipster-dark .tooltipster-content {
	font-family: Arial, sans-serif;
	font-size: 14px;
	line-height: 16px;
	padding: 8px 10px;
}