Works in Chrome and Firefox!

<!-- HTML -->
<h1>
  <div class="tilter">
	<div id="motd" class="pop" >Loading . . . </div>
  </div>
</h1>

<!-- JS -->
<script>
var motd = new Array();
function defineMOTD(){	
	motd[0] = "New!"
	motd[1] = "Approved!"
	motd[2] = "Certified Fresh!"
	motd[3] = "Computers!"
	motd[4] = "Accept no substitute!"
	motd[5] = "The original!"
	motd[6] = "So realistic!"
	motd[7] = "Even better!"
	motd[8] = "What?!"
	motd[9] = "Computer say what?"
	motd[10] = "Error!"
	motd[11] = "Power On!"
	motd[12] = "Off mode disengaged."
	motd[13] = "Almost 90% accurate!"
	motd[14] = "Press Start to Play"
	motd[15] = "Insert Coin"
	motd[16] = "Loading . . ."
	motd[17] = "File not found."
	motd[18] = "You've got Mail!"
	motd[19] = "On Mode On!"
}
function getRandNum(y, z){
	var r = Math.floor((Math.random() * y) + z);
	return r;
}
function setMOTD(){
	var rand = getRandNum((motd.length), 0);
	var b=document.getElementById("motd")
	b.innerHTML=motd[rand];
}
defineMOTD();
setMOTD();
</script>

<!-- CSS -->
<style>
#motd {
	color: green;
	font-size: 0.75em;
	text-transform: uppercase;
}
.pop {
	animation: pop 0.58s infinite;
	-webkit-animation: pop 0.58s infinite;
}
@keyframes pop {
	from {
		transform:scale(0.95)
	}
	50% {
		transform:scale(1)
	}
	to {
		transform:scale(0.95)
	}
}
@-webkit-keyframes pop {
	from {
		-webkit-transform:scale(0.875)
	}
	100% {
		-webkit-transform:scale(1)
	}
	to {
		-webkit-transform:scale(0.875)
	}
}
.tilter {
	-ms-transform: rotate(-20deg);
	-webkit-transform: rotate(-20deg);
	transform: rotate(-20deg);
}
</style>