Feature tests; link decoration; set-up for AO3 draft.

styles/interwiki.css

@@ -0,0 +1,97 @@
+/* 
+ * begin interwiki.css
+ * */
+
+/* 
+ * Note: AO3 does not support CSS variables as of 2024-01-01.
+ * */
+/*
+#workskin a {
+	--ext-mark-1: '↦';
+	--ext-mark-2: '↪';
+	--ext-mark-vs: 'ṽ';
+}
+*/
+
+a.interwiki::before {
+	display: inline-block;
+	width: 2.2ex;
+	margin: 0 auto;
+	text-align: center;
+	vertical-align: middle;
+}
+
+a.interwiki::before {
+	content: '↪';
+}
+
+a[href^="#"]::before {
+	display: inline-block;
+	width: 1.0ch;
+	content: '§';
+}
+
+a[href*="wikipedia.org/"]:not(.no-interwiki) , 
+a[href*="wikifunctions.org/"] ,
+a[href*="wikiquote.org/"] , 
+a[href*="wikisource.org/"] , 
+a[href*="wiktionary.org/"] 
+{
+	text-decoration-style: double;
+	color: navy;
+}
+
+a[href*="wikipedia.org/"]:not(.no-interwiki)::before , 
+a[href*="wikifunctions.org/"]::before ,
+a[href*="wikiquote.org/"]::before , 
+a[href*="wikisource.org/"]::before , 
+a[href*="wiktionary.org/"]::before 
+{
+	display: inline-block;
+	width: 2ch;
+	color: #337;
+	background-color: #ccc;
+	font-size: 75%;
+	content: 'W';
+}
+
+a[href*="archiveofourown.org/"] {
+	text-decoration-style: double;
+	font-family: sans-serif;
+}
+
+a[href*="archiveofourown.org/"]::before {
+	display: inline-block;
+	width: 2ch;
+	color: #cc7;
+	background-color: #860303;
+	text-align: center;
+	font-size: 75%;
+	content: '~';
+}
+
+#workskin a[href*="veniasilente.user.tropi.us/"] {
+	color: darkgreen;
+}
+
+#workskin a[href*="veniasilente.user.tropi.us/"]::before {
+	content: 'ṽ';
+	color: yellow;
+	background-color: #37d818;
+	font-size: 75%;
+}
+
+#workskin a[href*="suoceverse.tropi.us/"] {
+	color: green;
+}
+
+#workskin a[href*="suoceverse.tropi.us/"]::before {
+	content: 'ṽ';
+	color: blue;
+	background-color: orchid;
+	font-size: 75%;
+}
+
+/* 
+ * end interwiki.css
+ * */