table {
	border: 1px solid #7a7a7a;
	border-collapse: collapse;
	margin: 1em auto;
}
th, td { padding: 0.3em 0.1em; }
th {
  border: none;
}
td {
	border: 1px solid #7a7a7a;
	text-align: center;
	color: #7a7a7a;
}
.c1{ background:#eee;}
.c2{ background:#ccc;}