<style type="text/css">

    body {
        background: white 
	}

#countDown{
        font-size:250%;
        background: black;
        color: white;
        border-radius: 1em;
  width: 100%;
  height: 300px;
  line-height: 300px;
  text-align: center;
	}

span {
  display: inline-block;
  vertical-align: middle;
  line-height: normal;
}

/*
    #countDown {
	font-size:250%;
        background: black;
        color: white;
        border-radius: 1em;
        padding: 1em;
        position: absolute;
        top: 50%;
        left: 50%;
        margin-right: -50%;
        transform: translate(-50%, -50%) 
	}
*/


	#myoutercontainer { position:relative }
/*	#countDown { align:center; position:absolute; top:50%; height:10em; margin-top:-5em }
	#myinnercontainer { position:absolute; top:50%; height:10em; margin-top:-5em }
*/
</style>