print style

static/style.css

@@ -118,3 +118,29 @@ code {
 
   color: #aaa;
 }
+
+@media print {
+  body {
+    font-size: 14px;
+  }
+
+  img {
+    max-width: 10cm;
+    max-height: 10cm;
+    object-fit: contain;
+  }
+
+  h1,
+  h2,
+  h3 {
+    margin-top: 0;
+    margin: 0;
+  }
+
+  .chapter {
+    max-width: 100%;
+  }
+  .chapter + .chapter {
+    margin-top: 32px;
+  }
+}