documentation/bsp-guide/style.css: Updated Style Sheet

I updated the HTML style sheet to match that of the other online
manuals.  Section heads are now in Yocto blue and tip box
color is inline with Yocto color schemes.

(From OE-Core rev: 815b71a6c66e529959a12bd9aa6aabc0afc78bb1)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

documentation/bsp-guide/style.css

@@ -50,9 +50,13 @@ body {
   color: #333;
 }
 
+.reviewer {
+  color: red;
+}
+
 h1,h2,h3,h4,h5,h6,h7 {
   font-family: Arial, Sans;
-  color:#999999;
+  color: #00557D;
   clear: both;
 }
 
@@ -76,7 +80,7 @@ h2 {
   margin: 2em 0em 0.66em 0em;
   padding: 0.5em 0em 0em 0em;
   font-size: 1.5em;
-  font-weight: normal;
+  font-weight: bold;
 }
 
 h3.subtitle {
@@ -90,28 +94,28 @@ h3 {
   margin: 1em 0em 0.5em 0em;
   padding: 1em 0em 0em 0em;
   font-size: 140%;
-  font-weight: normal;
+  font-weight: bold;
 }
 
 h4 {
   margin: 1em 0em 0.5em 0em;
   padding: 1em 0em 0em 0em;
   font-size: 120%;
-  font-weight: normal;
+  font-weight: bold;
 }
 
 h5 {
   margin: 1em 0em 0.5em 0em;
   padding: 1em 0em 0em 0em;
-  font-size: 110.000%;
-  border-bottom: 1px solid black;
+  font-size: 110%;
+  font-weight: bold;
 }
 
 h6 {
   margin: 1em 0em 0em 0em;
   padding: 1em 0em 0em 0em;
   font-size: 80%;
-  font-weight: normal;
+  font-weight: bold;
 }
 
 .authorgroup {
@@ -124,7 +128,7 @@ h6 {
   padding-right: 50px;
   margin-left: 0px;
   text-align: right;
-  width: 700px;
+  width: 740px;
 }
 
 h3.author {
@@ -132,6 +136,7 @@ h3.author {
   padding: 0em 0em 0em 0em;
   font-weight: normal;
   font-size: 100%;
+  color: #333;
   clear: both;
 }
 
@@ -154,6 +159,7 @@ h3.author {
 .list-of-examples,
 .list-of-figures {
   padding: 1.33em 0em 2.5em 0em;
+  color: #00557D;
 }
 
 .toc p,
@@ -930,7 +936,7 @@ table {
 
 .tip,
 .note {
-   background: #91ae35;
+   background: #666666;
    color: #fff;   
    padding: 20px;
    margin: 20px;