docs: Adding coding style document and other small updates

Change-Id: I5ab036a2225e3ac456c69558352f0c6832dd2d2f
diff --git a/docs/named_data_theme/static/named_data_style.css_t b/docs/named_data_theme/static/named_data_style.css_t
index f37be7f..c1f02f9 100644
--- a/docs/named_data_theme/static/named_data_style.css_t
+++ b/docs/named_data_theme/static/named_data_style.css_t
@@ -66,7 +66,7 @@
 }
 
 p {
-    padding: 0 0 0.5em;
+    padding: 0;
     line-height:1.6em;
 }
 ul {
@@ -124,7 +124,6 @@
     color: #555;
 }
 blockquote {
-    font-style: italic;
     padding: 0 3em;
 }
 blockquote cite,
@@ -803,3 +802,12 @@
     margin-left:auto;
     margin-right:auto;
 }
+
+
+table {
+    border-collapse:collapse;
+}
+table, th, td {
+    border: 1px solid black;
+    padding: 5px;
+}
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