Update dates

nummi/main/static/main/css/main.css

@@ -36,7 +36,7 @@
 	--border: .5em;
 	--radius: .25em;
 
-	--num: "tnum", "ss01", "case";
+	--num: "tnum", "ss01", "ss02", "case";
 }
 
 body {

nummi/main/static/main/css/plot.css

@@ -32,8 +32,10 @@
 .plot td.m {
 	text-align: right;
 }
+.plot tbody th {
+	font-feature-settings: var(--num);
+}
 .plot td.value {
-	padding: 0 var(--gap);
 	font-feature-settings: var(--num);
 	text-align: right;
 }

nummi/main/templates/main/plot/history.html

@@ -13,7 +13,7 @@
             {% spaceless %}
                 {% for date in history.data %}
                     <tr>
-                        <th scope="row">{{ date.month|date:"M y" }}</th>
+                        <th scope="row">{{ date.month|date:"Y-m" }}</th>
                         <td class="value">{{ date.sum_m|pmrvalue }}</td>
                         <td class="bar m">
                             <div style="width: {% widthratio date.sum_m history.max -100 %}%"></div>