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JavaScript preprocessors can help make authoring JavaScript easier and more convenient. For instance, CoffeeScript can help prevent easy-to-make mistakes and offer a cleaner syntax and Babel can bring ECMAScript 6 features to browsers that only support ECMAScript 5.

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HTML Settings

Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

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HTML

            
              <i class="fa fa-info-circle center datatitle" data-title="center datatitle"></i>
<h1>Attribute data-title, vertical balance <i class="fa fa-info-circle datatitle" data-title="datatitle"></i>  type granularity</h1>

<p>Consideration: <code>.datatitle::after{font:1rem; margin-left:-100%; margin-top:100%; top:1rem; transition: all;}</code><br>
	Can also use: <code>top:2rem;</code>, with another style behavior destabilizing Codepen display of this tooltip. Codepen framing could be the problem.<br> ...Attributes anchor position relative to specific element, herein the typography font app. Codepen api may show weakness here, due to corruption of tool-tip position: unlike on desktop, the large centered SVG icon font tool-tip in codepen is not positioned correctly here, in Safari. <code>.center{transition:inherit;}</code> that sometimes helps style grouped features, no help. Codepen data-title fail on large icon is preceded and followed by correct tool-tip positioning. Class selector <code>.center{font-size:5vmin;}</code> presents no problem. Codepen shows problems when font-size is larger: <code>.center{font-size:85vmin;}</code>. This suggests similar problems in similar environments, elsewhere. FontAwesome, other remote services may also be disrupting Codepen display of code. Most CSS style declarations work well with HTML data-title attribute.
</p>

<ul>
	<li>Layout alignment</li>
	<li>Positioning mixed</li>
	<li>Works with codepen, with restriction</li>
</ul>
<p>Works in Safari to provide one equal distance between tool-tip and tool-tip anchor for various anchor font sizes. Firefox Tor lags on <code>top:1rem;</code> and removes 2-3 vertical pixels as it eqully adjusts each data-title display's vertical spacing to reflect font-size and line-height for page! Enlarge <code>.center{font-size: 85vmin;}</code>: data-title positioning as expected is restricted by window sizes, including scroll-bars that ignore typographic viewport size in relation to scroll-bar display, for Safari. Method involves viewport adjustments to % and rem measure, in deploying typography apps. Each online font character represents a streamed app.
<i class="fa fa-info-circle datatitle" data-title="datatitle"></i> 2019-Apr-03</p>
<h2>Lorem Ipsum Dolor Sit Amet Consectetur !</h2>
!

CSS

            
              body {
  font-size: 1rem;
  padding: 2vh 3vw;
}
.datatitle {
  position: relative;
  color: dodgerblue;
}
.datatitle::after {
	margin-top: 100%;
  top: 2rem;
  transition: all;
	background: beige;
	border: 1px solid tan;
	border-radius: 5vmin;
	content: attr(data-title);
	display: none;
	font: 1rem Arial;
	line-height: -100%;
	margin-left: -100%;
	padding: 1vmin 2vmin;
	position: absolute;
  transition: none;
	vertical-align: 0;
	white-space: nowrap;
	width: auto;
	text-align: center;
	-webkit-transform: translatey(-50%);
	-moz-transform: translatey(-50%);
	-o-transform: translatey(-50%);
	transform: translatey(-50%);
}
.datatitle:hover {
  color: forestgreen;
  cursor: pointer;
}
.datatitle:hover::after {
  display:inline-block;
}
.center {
 font-size: 35vmin; left: 50%; opacity: 0.5; position: absolute; top: 50%; -webkit-transform: translateX(-50%) translatey(-50%); -moz-transform: translateX(-50%) translatey(-50%); -o-transform: translateX(-50%) translatey(-50%); transform: translateX(-50%) translatey(-50%); 
}
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