simplifying css

packages/rocketchat-emoji-emojione/sprites.css

 .emojione {
+	image-rendering: auto;
+	font-size: inherit;
+	height: 22px;
+	width: 22px;
+	position: relative;
+	display: inline-block;
+	margin: 0 .15em;
+	line-height: normal;
+	vertical-align: middle;
 	background-image: url("../../packages/emojione_emojione/assets/sprites/emojione.sprites.png?v=2.2.5") !important;
 	background-size: 4365.625% 4365.625% !important;
 	background-repeat: no-repeat !important;
+	text-indent: 100%;
+	white-space: nowrap;
+	overflow: hidden;
 }
 
 .emojione-0023-20e3 {

packages/rocketchat-emoji/emojiParser.js

@@ -28,12 +28,8 @@ RocketChat.callbacks.add('renderMessage', (message) => {
 		for (let childNode in checkEmojiOnly[0].childNodes) {
 			if (checkEmojiOnly[0].childNodes.hasOwnProperty(childNode)) {
 				let child = $(checkEmojiOnly[0].childNodes[childNode]);
-				if (child.hasClass('emoji')) {
-					checkEmojiOnly[0].childNodes[childNode] = child.addClass('big');
-					continue;
-				}
 
-				if (child.hasClass('emojione')) {
+				if (child.hasClass('emoji') || child.hasClass('emojione')) {
 					checkEmojiOnly[0].childNodes[childNode] = child.addClass('big');
 					continue;
 				}

packages/rocketchat-emoji/emojiPicker.less

@@ -53,7 +53,7 @@
 				.category-link {
 					i {
 						color: @info-font-color;
-						font-size: 24px;
+						font-size: 20px;
 					}
 				}
 

packages/rocketchat-emoji/lib/emojiRenderer.js

 /* globals HTML, isSetNotNull, renderEmoji:true */
 renderEmoji = function(emoji) {
 	if (isSetNotNull(() => RocketChat.emoji.list[emoji].emojiPackage)) {
-		let emPackage = RocketChat.emoji.list[emoji].emojiPackage;
-		return RocketChat.emoji.packages[emPackage].render(emoji);
+		let emojiPackage = RocketChat.emoji.list[emoji].emojiPackage;
+		return RocketChat.emoji.packages[emojiPackage].render(emoji);
 	}
 };
 
@@ -13,8 +13,8 @@ Template.registerHelper('renderEmoji', new Template('renderEmoji', function() {
 	let emoji = Blaze.getData(view);
 
 	if (isSetNotNull(() => RocketChat.emoji.list[emoji].emojiPackage)) {
-		let emPackage = RocketChat.emoji.list[emoji].emojiPackage;
-		return new HTML.Raw(RocketChat.emoji.packages[emPackage].render(emoji));
+		let emojiPackage = RocketChat.emoji.list[emoji].emojiPackage;
+		return new HTML.Raw(RocketChat.emoji.packages[emojiPackage].render(emoji));
 	}
 
 	return '';