body {
	align-content: center;
	background-color: lightblue;
}
table{
	width: 100%;
	border-collapse: collapse;
}
th,tr,td{
	border: 1px solid #000;
	width: 150px;
	height: 45px;
	vertical-align: middle;
	text-align: center;
}
th{
	color: #fff;
	background-color: #252525;
}

tr:nth-child(odd) td{
	background-color: #eee;
}