.rpep-tooltip {
  position: relative;
  display: inline-block;
  border-bottom: 1px dotted black;
}

.rpep-tooltip .rpep-tooltiptext {
	visibility: hidden;
	background-color: black;
	color: #fff;
	text-align: center;
	border-radius: 6px;
	padding: 15px;

	/* Position the tooltip */
	position: absolute;
	left: 50px;
	top: -30px;
	z-index: 1;
}

.rpep-tooltip:hover .rpep-tooltiptext {
	visibility: visible;
}