gtkapplang: First two pages

Conflicts:
	pages.yaml

assets/css/gtkapplang.css

@@ -0,0 +1,53 @@
+#article-header {
+    background-color: #0d0d0d;
+    color: white;
+    text-align: center;
+    padding: 5pt 0 5pt 0;
+}
+
+#article-header > div {
+    display: inline-block;
+    vertical-align: middle;
+    margin: 5pt;
+}
+
+img#gtk-logo {
+    width: 50px;
+}
+
+#article-body {
+    columns: 2;
+    font: 10pt/1.40 Helvetica, sans-serif;
+    padding: 5pt;
+}
+
+#article-body p {
+    text-indent: 2em;
+}
+
+#article-body p:first-child {
+    margin-top: 0;
+    text-indent: 0;
+}
+
+/*
+span.first-word {
+    font-size: xx-large;
+    font-weight: bold;
+    line-height: 0;
+}
+*/
+
+h1, h2, h3 {
+    margin: 2pt;
+    text-align: left;
+    font-family: Helvetica, sans-serif;
+}
+
+h3 {
+    font-weight: normal;
+}
+
+.code {
+    font-family: monospace;
+}