popper.min.js example
Example 1: popper js example
#arrow,
#arrow::before {
position: absolute;
width: 8px;
height: 8px;
z-index: -1;
}
#arrow::before {
content: '';
transform: rotate(45deg);
background: #333;
}
Example 2: popper js example
<div id="tooltip" role="tooltip">
My tooltip
<div id="arrow" data-popper-arrow></div>
</div>