diff --git a/doc/Makefile.am b/doc/Makefile.am
index 85af812..30d5dd3 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -109,13 +109,15 @@
 man_MANS += zebra.8
 endif
 
+AM_MAKEINFOHTMLFLAGS = --css-include=$(srcdir)/texinfo.css
+
 EXTRA_DIST = BGP-TypeCode draft-zebra-00.ms draft-zebra-00.txt \
 	bgpd.8 isisd.8 ospf6d.8 ospfclient.8 ospfd.8 ripd.8 \
 	ripngd.8 nhrpd.8 pimd.8 vtysh.1 watchquagga.8 zebra.8 \
 	mpls/ChangeLog.opaque.txt mpls/cli_summary.txt \
 	mpls/opaque_lsa.txt mpls/ospfd.conf \
 	$(figures_sources) $(figures_png) $(figures_txt) \
-	texinfo.tex
+	texinfo.tex texinfo.css
 
 draft-zebra-00.txt: draft-zebra-00.ms
 	groff -T ascii -ms $< > $@
diff --git a/doc/texinfo.css b/doc/texinfo.css
new file mode 100644
index 0000000..f5fa4f4
--- /dev/null
+++ b/doc/texinfo.css
@@ -0,0 +1,227 @@
+/*
+   CSS style for Texinfo documents
+   
+   Public domain 2016 sirgazil. All rights waived.
+   
+   Obtained from: 
+   
+    https://sirgazil.bitbucket.io/en/artifact
+    https://sirgazil.bitbucket.io/en/doc/texinfo-css/tip/manual/static/css/document.css
+*/
+
+
+
+/* NATIVE ELEMENTS */
+a:link,
+a:visited {
+    color: #1E90FF;
+    text-decoration: none;
+}
+
+a:active,
+a:focus,
+a:hover {
+    text-decoration: underline;
+}
+
+abbr,
+acronym {
+    cursor: help;
+}
+
+blockquote {
+    color: #555753;
+    font-style: oblique;
+    margin: 30px 0px;
+    padding-left: 3em;
+}
+
+body {
+    background-color: white;
+    box-shadow: 0 0 2px gray;
+    box-sizing: border-box;
+    color: #333;
+    font-family: sans-serif;
+    font-size: 16px;
+    margin: 50px auto;
+    max-width: 960px;
+    padding: 50px;
+}
+
+code,
+samp,
+tt,
+var {
+    color: purple;
+    font-size: 0.8em;
+}
+
+div.example,
+div.lisp {
+    margin: 0px;
+}
+
+dl {
+    margin: 3em 0em;
+}
+
+dl dl {
+    margin: 0em;
+}
+
+dt {
+    background-color: #F5F5F5;
+    padding: 0.5em;
+}
+
+h1,
+h2,
+h2.contents-heading,
+h3,
+h4 {
+    padding: 20px 0px 0px 0px;
+    font-weight: normal;
+}
+
+h1 {
+    font-size: 2.4em;
+}
+
+h2 {
+    font-size: 2.2em;
+    font-weight: bold;
+}
+
+h3 {
+    font-size: 1.8em;
+}
+
+h4 {
+    font-size: 1.4em;
+}
+
+hr {
+    background-color: silver;
+    border-style: none;
+    height: 1px;
+    margin: 0px;
+}
+
+html {
+    background-color: #F5F5F5;
+}
+
+img {
+    max-width: 100%;
+}
+
+li {
+    padding: 5px;
+}
+
+pre.display,
+pre.example,
+pre.format,
+pre.lisp,
+pre.verbatim{
+    overflow: auto;
+}
+
+pre.example,
+pre.lisp,
+pre.verbatim {
+    background-color: #2D3743;
+    border-color: #000;
+    border-style: solid;
+    border-width: thin;
+    color: #E1E1E1;
+    font-size: smaller;
+    padding: 1em;
+}
+
+table {
+    border-collapse: collapse;
+    margin: 40px 0px;
+}
+
+table.index-cp *,
+table.index-fn *,
+table.index-ky *,
+table.index-pg *,
+table.index-tp *,
+table.index-vr * {
+    background-color: inherit;
+    border-style: none;
+}
+
+td,
+th {
+    border-color: silver;
+    border-style: solid;
+    border-width: thin;
+    padding: 10px;
+}
+
+th {
+    background-color: #F5F5F5;
+}
+/* END NATIVE ELEMENTS */
+
+
+
+/* CLASSES */
+.contents {
+    margin-bottom: 4em;
+}
+
+.float {
+    margin: 3em 0em;
+}
+
+.float-caption {
+    font-size: smaller;
+    text-align: center;
+}
+
+.float > img {
+    display: block;
+    margin: auto;
+}
+
+.footnote {
+    font-size: smaller;
+    margin: 5em 0em;
+}
+
+.footnote h3 {
+    display: inline;
+    font-size: small;
+}
+
+.header {
+    background-color: #F2F2F2;
+    font-size: small;
+    padding: 0.2em 1em;
+}
+
+.key {
+    color: purple;
+    font-size: 0.8em;
+}
+
+.menu * {
+    border-style: none;
+}
+
+.menu td {
+    padding: 0.5em 0em;
+}
+
+.menu td:last-child {
+    width: 60%;
+}
+
+.menu th {
+    background-color: inherit;
+}
+/* END CLASSES */