Task 4006 online help content

I have reviewed the html pages, structure the folders as per DSE templete, added/changed the figures (where required), removed the unnecessary figures.

org.fortiss.af3.rcp.help/html/requirements/stylesheet.css

@@ -11,7 +11,7 @@
 .header {
 	z-index: 10;
 	width: 100%;
-	height: 50px;
+	height: 49px;
 	background: #004696;
 	position: sicky;
 }
@@ -75,6 +75,7 @@ body {
 .navbar {
   overflow: hidden;
   background-color:#004696;
+  height: 49px;
  
 }
 
@@ -188,7 +189,7 @@ h4 {
 
 .dropdown-content {
   position: relative;
-  top: 50px; /* TODO (SB): This might why the drop-down menu disappears when you are not fast enough.*/
+  top: 49px; /* TODO (SB): This might why the drop-down menu disappears when you are not fast enough.*/
   display: none;
   position: absolute;
   background-color: white;
@@ -204,6 +205,7 @@ h4 {
   text-decoration: none;
   display: block;
   text-align: left;
+  inline-height: 16;
 }
 
 .topnav a:hover, .dropdown:hover  {