Github Approval + Emoji checkmark pulsing

github-approval-animated.css

/*
  Slap this CSS in a Userstyle script tied to `https://github.com/` and enjoy!
  This Chrome extension works well and is simple to use:
  https://chrome.google.com/webstore/detail/user-javascript-and-css/nbhcbdghjpllgmfilhnhkllmkecfmpld
 */

.Link--muted[aria-label*=approval] {
	font-weight: bold;
	color: #008800 !important;
	position: relative;
	animation: 0.4s ease-in-out infinite alternate both pulse;
}

.Link--muted[aria-label*=approval]::after {
	content: "\02705";
	background: transparent;
	display: inline-block !important;
	position: absolute;
	top: -1.2em;
	right: -1.5em;
}

.Link--muted[aria-label*=approval].tooltipped::after {
	opacity: 1;
}

@keyframes pulse {
	from { opacity: 0.3; }
	to { opacity: 1; }
}