Add print media style (issue #2)

src/components/page.css

@@ -226,3 +226,28 @@ div.footnotes hr {
 div.footnotes {
   font-size: 85%;
 }
+
+@media print {
+  html, body, main, div.main-content {
+    overflow: visible !important;
+    width: initial !important;
+    max-width: initial !important;
+    min-width: initial !important;
+    margin: initial !important;
+    padding: initial !important;
+    font-size: initial !important;
+  }
+  td, th {
+    color: inherit;
+    border: solid #999999 1px;
+  }
+  a {
+    color: black;
+  }
+  a[rel*="external"] {
+    color: blue;
+  }
+  a[rel*="external"]::after {
+    content: "";
+  }
+}

src/components/pagenavi.css

@@ -32,3 +32,9 @@ div.page-navi > ul > li {
   padding-top: 1ex;
   font-weight: bold;
 }
+
+@media print {
+  div.page-navi {
+    display: none;
+  }
+}

src/components/prevnext.css

@@ -26,3 +26,9 @@ div.prevnext span.next {
 div.prevnext span.next a {
   padding-left: 100%;
 }
+
+@media print {
+  div.prevnext {
+    display: none;
+  }
+}

src/components/sidebar.css

@@ -57,3 +57,9 @@ nav.sidebar div.sidebar-title {
 nav.sidebar div.sidebar-title a:hover {
   text-decoration: none;
 }
+
+@media print {
+  nav.sidebar {
+    display: none;
+  }
+}