add logo/homepage link

static/css/main.css

@@ -1,9 +1,23 @@
+/* Color scheme. */
+
+:root {
+    --background-color: rgb(255, 253, 246);
+    --text-color: #55423e;
+
+    --shaded-background: rgba(0, 0, 0, 5%);
+    --border-1: rgba(0, 0, 0, 15%);
+    --border-2: rgba(0, 0, 0, 30%);
+}
+
 /* Article-style layout. Center everything and give it a maximum width */
 
 body {
     max-width: 1200px;
     margin-left: auto;
     margin-right: auto;
+
+    display: flex;
+    flex-direction: column;
 }
 
 main {
@@ -19,8 +33,8 @@ main {
 /* Choose more pretty colors than vanilla HTML */
 
 body {
-    background-color: rgb(255, 253, 246);
-    color: #55423e;
+    background-color: var(--background-color);
+    color: var(--text-color);
 }
 
 /* Set up typography */
@@ -117,7 +131,7 @@ body {
 pre {
     padding: 8px 12px;
     margin: 12px 0;
-    background-color: rgba(0, 0, 0, 5%);
+    background-color: var(--shaded-background);
     border-radius: 8px;
 }
 
@@ -148,7 +162,7 @@ a:visited {
 blockquote {
     margin: 0;
     padding: 2px 12px;
-    border-left: 4px solid rgba(0, 0, 0, 15%);
+    border-left: 4px solid var(--border-1px);
 }
 
 /* And tables. */
@@ -160,19 +174,20 @@ table {
 table,
 th,
 td {
-    border: 1px solid rgba(0, 0, 0, 30%);
+    border: 1px solid var(--border-2);
     border-collapse: collapse;
     padding: 4px 10px;
 }
 
 th {
-    background-color: rgba(0, 0, 0, 5%);
+    background-color: var(--shaded-background);
 
     --recursive-wght: 700;
     --recursive-casl: 0.5;
 }
 
-/* Style the noscript dialog a little more prettily. */
+/* Style the noscript box a little more prettily. */
+
 .noscript {
     padding: 16px;
     background-color: #fde748;
@@ -191,3 +206,18 @@ th {
 .noscript p:last-child {
     margin-bottom: 0;
 }
+
+/* Give the logo on the top some nicer looks */
+
+nav {
+    display: flex;
+}
+
+nav .logo {
+    width: 48px;
+    height: 48px;
+    padding: 16px;
+    display: block;
+    opacity: 100%;
+    color: var(--text-color);
+}