diff --git a/pub/style/style.cat-v.css b/pub/style/style.cat-v.css
new file mode 100644
index 0000000..3d3d4b6
--- /dev/null
+++ b/pub/style/style.cat-v.css
@@ -0,0 +1,50 @@
+body { display: flex; flex-wrap: wrap; font-family: sans; }
+header { flex-basis: 100%; flex-shrink: 0; }
+article { flex-basis: 60%; padding-left: 1em; }
+footer { flex-basis: 100%; flex-shrink: 0; }
+header nav { display: flex; justify-content: space-between; }
+nav a, header a { text-decoration: none ; color: inherit; }
+header h1 span { margin-left: 1em; font-size: 50%; font-style: italic; }
+body > nav { flex-basis: content; padding-right: 1vw; min-width: 16em; }
+nav ul { display: flex; flex-direction: column; list-style-type: none; list-style-position: outside; padding-left: 0;  }
+nav li ul { padding-left: 0.6em }
+footer { display: flex; justify-content: space-between; }
+
+/* cut here to leave vanity behind */
+
+body { margin:0; padding: 0; font-size: 84%; font-family: Helvetica, Verdana, Arial, 'Liberation Sans', FreeSans, sans-serif; }
+a { text-decoration: none; color: }
+a:hover { text-decoration: underline; }
+.thisPage { color: black; }
+
+/* header and top bar */
+header nav { background-color: rgb(100,135,220); color: white; padding: 0.3em; border-bottom: 2px solid black; font-size: 91%; }
+header h1 { background-color: #ff6d06; color: black; margin: 0; border-bottom: 2px solid black; font-weight: normal; padding: 0.25ex; font-size: 233%; }
+header a:hover { text-decoration: none; }
+
+/* sidebar */
+body > nav { border-right: 1px solid #ddd; padding: 0;  } 
+body > nav > div { border-bottom: 1px solid #ddd; } 
+body > nav > div a { color: rgb(0, 102, 204); display: block; text-transform: capitalize; font-weight: bold; padding: 0.25em 1ex 0.25em 2mm; font-size: 102%} 
+body > nav > div a:hover { color: white; background-color: rgb(100,135,220); border-left: black solid 0.2em; text-decoration: none; }
+body > nav > div p { font-weight: bold; margin: 0 0 0.5em 2mm; padding: 1em 0 0 0; }
+
+/* main copy */
+article { padding: 0.5ex 0 5vh 1vw;  }
+article h1, article h2 { color: rgb(0,102,204); font-weight: bold; margin: 2em 0 0 0; border-bottom: 2px solid rgb(0,102,204); }
+article h3, article h4, article h5 { color: rgb(0,102,204); font-weight: bold; margin: 2em 0 0 0; }
+article h6, article h7, article h8 { color: rgb(0,102,204); font-weight: bold; margin: 2em 0 0 0; }
+article a { color: rgb(0,102,204); }
+article a:hover { color:  rgb(100,135,220); }
+article pre { font-size: 1.2em; }
+
+/* footer */
+footer { color: white; background-color: rgb(100,135,220); }
+footer a { color: inherit; }
+footer div { padding: 1em; }
+
+/* tables */
+table { border: 1px solid rgba(128,128,128,0.5); padding: 0; }
+th { color: white; background-color: rgb(100,135,220); }
+tr:nth-child(odd) { background-color: rgba(128,128,128,0.1)  }
+