Fix up all doxygen warnings.

doc/eigendoxy.css

@@ -93,7 +93,7 @@ table th.inter {
 	border-color: #cccccc;
 }
 
-/** class for exemple / output tables **/
+/** class for example / output tables **/
 
 table.example {
 }
@@ -160,9 +160,7 @@ div.toc {
   margin:0;
   padding: 0.3em 0 0 0;
   width:100%;
-  float:none;
-  position:absolute;
-  bottom:0;
+  float: none;
   border-radius:0px;
   border-style: solid none none none;
   max-height:50%;
@@ -183,6 +181,18 @@ span.cpp11,span.cpp14,span.cpp17 {
   font-weight: bold;
 }
 
+.newin3x {
+  color: #a37c1a;
+  font-weight: bold;
+}
+
+div.warningbox {
+  max-width:60em;
+  border-style: solid solid solid solid;
+  border-color: red;
+  border-width: 3px;
+}
+
 /**** old Eigen's styles ****/
 
 
@@ -220,4 +230,4 @@ td.width20em p.endtd {
 /* needed for huge screens */
 .ui-resizable-e {
   background-repeat: repeat-y;
-}
+}