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;
  
 }
 
@@ -188,12 +189,12 @@ 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;
   min-width: 300px;
-  box-shadow: white;
+  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
   z-index: 1;
 }
 
@@ -204,6 +205,7 @@ h4 {
   text-decoration: none;
   display: block;
   text-align: left;
+  inline-height: 16;
 }
 
 .topnav a:hover, .dropdown:hover  {
@@ -298,7 +300,7 @@ label.hamburger {
 
 .triangle {
     position: absolute; 
-    top: 22px;
+    top: 21px;
     width: 0; 
     height: 0; 
     margin-left: 6px;