lightly style tables in posts

less/core.less

@@ -632,6 +632,30 @@ table.classy {
 	}
 }
 
+body#post article table {
+	border-spacing: 0;
+	border-collapse: collapse;
+	th {
+		border-bottom: 2px solid #ccc;
+		text-align: center;
+	}
+	th + th {
+		border-left: 1px solid #ccc;
+	}
+	tr:nth-child(even) {
+		background-color: #f6f6f6;
+	}
+	td + td {
+		border-left: 1px solid #ccc;
+	}
+	tr + tr td {
+		border-top: 1px solid #ccc;
+	}
+	td, th {
+		padding: .25rem .5rem;
+	}
+}
+
 body#collection article, body#subpage article {
 	padding-top: 0;
 	padding-bottom: 0;