merge upstream

static/css/classes.css

@@ -12,7 +12,6 @@
 
 .archive li {
   font-size: 1.1em;
-  margin: .6em 0;
 }
 
 .archive time {
@@ -20,3 +19,7 @@
   min-width: 10ch;
   margin: 0 .2em;
 }
+
+.fa, .fab, .fad, .fal, .far, .fas {
+  margin-right: 1.2em;
+}

static/css/sidebar.css

@@ -0,0 +1,58 @@
+body {
+  font-size: 18px;
+  padding: 0 4em;
+  margin-left: 16em;
+}
+
+body > article, body > footer {
+  margin: 0 auto;
+  padding: 2em 0;
+  max-width: 55em;
+}
+
+body > header {
+  display: block;
+  position: fixed;
+  background: #17181c;
+  color: #fff;
+  border: none;
+  box-shadow: none;
+  opacity: .96;
+  margin: 0;
+  padding: 2.2em 2em;
+  width: 12em;
+  top: 0;
+  bottom: 0;
+  left: 0;
+}
+
+nav {
+  margin: 0 -2em;
+}
+
+nav a {
+  display: block;
+  margin: 0;
+  padding: .5em 2em;
+}
+
+nav a:hover, nav a.selected {
+  background: #23242a;
+  text-decoration: inherit;
+}
+
+nav a svg {
+  margin-right: 1.2em;
+}
+
+article header h1 {
+  font-size: 2em;
+}
+
+body > header > a {
+  display: none;
+}
+
+body > header > p {
+  margin-top: 3em;
+}