update css for articles

static/css/theme-coko/main.css

@@ -752,5 +752,18 @@ footer section.infos a:hover {
 }
 
 .articles header + h2 {
+  margin-top: 0.5em;
+}
+
+.articles h2 {
+  margin-bottom: 0em;
+}
+.articles main .grid-item {
   margin-top: 0;
+  /* padding-top: 0; */
+  margin-bottom: 2em;
+}
+
+.articles main {
+  grid-auto-rows: unset;
 }