Add some colours and stuff

public/static/style/main.css

@@ -16,12 +16,15 @@ a {
     color: #00f;
 }
 
-h1, h2 {
+h1, h2, h3 {
     font-weight: normal;
+    border-bottom: 1px solid #e9ecef;
+    padding-bottom: .25rem;
 }
 
 header {
-    background: #eee;
+    background: #ddf;
+    border-bottom: 1px solid #aaa;
 }
 header > nav {
     padding: 0.75rem;
@@ -42,13 +45,18 @@ img {
 }
 
 table {
+    display: block;
     border-collapse: collapse;
     width: 100%;
+    overflow: auto;
 }
 td, th {
     text-align: left;
     padding: .5rem;
 }
+tr {
+    border-bottom: 1px solid #aaa;
+}
 tr:nth-child(even) {
     background: #eee;
 }
@@ -56,6 +64,7 @@ tr:nth-child(even) {
 pre, code {
     font-family: "DejaVu Sans Mono", Consolas, monospace;
     background: #eee;
+    border: 1px solid #aaa;
     padding: .5rem;
     max-width: 100%;
     display: block;