lib/web/css/docs/tooltips.html
Magento UI library provides 4 tooltip types:
top
bottom
left
right
Lorem Ipsum is simply <span class="example-tooltip-bottom"><a href="#" aria-describedby="tooltip-1">dummy</a><span class="tooltip-content" id="tooltip-1" role="tooltip">Lorem Ipsum has been the industry's standard dummy text ever since the 1500s</span></span> text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a <span class="example-tooltip-left"><a href="#" aria-describedby="tooltip-2">galley</a><span class="tooltip-content" id="tooltip-2" role="tooltip">Lorem Ipsum has been the industry's standard dummy text ever since the 1500s</span></span> of type and scrambled it to make a type specimen book. It has survived <span class="example-tooltip-right"><a href="#" aria-describedby="tooltip-3">not</a><span class="tooltip-content" id="tooltip-3" role="tooltip">Lorem Ipsum has been the industry's standard dummy text ever since the 1500s</span></span> only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing <span class="example-tooltip-top"><a href="#" aria-describedby="tooltip-4">software</a><span class="tooltip-content" id="tooltip-4" role="tooltip">Lorem Ipsum has been the industry's standard dummy text ever since the 1500s</span></span> like Aldus PageMaker including versions of Lorem Ipsum.
.example-tooltip-bottom {
.lib-tooltip(bottom);
}
.example-tooltip-left {
.lib-tooltip(left);
}
.example-tooltip-right {
.lib-tooltip(right);
}
.example-tooltip-top {
.lib-tooltip(top);
}