add index page with a cards list

templates/static/style.css

@@ -12,6 +12,26 @@ html, textarea, select {
 	margin: 0 auto;
 }
 
+nav.top-nav {
+	margin: 0 auto;
+	margin-bottom: .5rem;
+	width: 900px;
+	border-bottom: 1px solid silver;
+}
+
+nav.top-nav a {
+	display: inline-block;
+	padding: .75rem;
+
+	color: gray;
+	text-decoration: none;
+}
+
+nav.top-nav a:hover {
+	color: black;
+	text-decoration: underline;
+}
+
 .Form .Row {
 	display: flex;
 	padding: .25rem;
@@ -85,3 +105,26 @@ textarea:focus,
 	box-shadow: none;
 	outline: 0 none !important;
 }
+
+.cards-table {
+	border-collapse: collapse;
+	margin: 0 auto;
+	margin-top: 1rem;
+}
+
+.cards-table td,
+.cards-table th {
+	padding: .5rem;
+}
+
+.cards-table thead th {
+	border-bottom: 2px solid silver;
+}
+
+.cards-table tbody td {
+	border-bottom: 1px solid silver;
+}
+
+.cards-table tbody tr:last-child td {
+	border-bottom: 2px solid silver;
+}