.mtable {
	position:relative;
	margin:auto;
	top:50px;
	left:20%;
	width:50%;
	/*border: 1px solid black;*/
}

table {
	width:80%;
	border-collapse:collapse;
	}
th,td {
	padding: 12px;
	text-align:center;
}
th {
	background-color:#dfdfdf;
}
th:hover {
	background-color:45a012;
}
td:hover {
	font-size:2em;
}
tr:nth-child(odd) {
	background-color:yellow;
}
tr:nth-child(even) {
	background-color:orange;
}