updated header animation

Author: janzenisek

_includes/home_header.html

@@ -7,13 +7,13 @@
         &nbsp;&nbsp;&nbsp;predictive,<br/>
         &nbsp;&nbsp;&nbsp;prescriptive&nbsp;<span class="todo"># todo</span><br/>
         ]    
-        <br/><br/>
+        <!-- <br/><br/>
         <span class="todo"># to be joined here:</span>        
         <br/><span class="todo"># - modeling &amp; simulation</span>
         <br/><span class="todo"># - machine learning</span>
         <br/><span class="todo"># &nbsp;&nbsp;- privacy preserving</span>
         <br/><span class="todo"># &nbsp;&nbsp;- interpretable</span>
-        <br/><span class="todo"># - optimization</span>
+        <br/><span class="todo"># - optimization</span> -->
     </div>
 
     <!-- <div class="headerCodeBlock2">

_sass/home/_header.scss

@@ -388,7 +388,7 @@
 
 
 .header-bg svg path, .header-bg svg polygon {
-	opacity: 0.08;
+	opacity: 0.0;
 	z-index: 0;
 
     animation-duration: 5s;
@@ -423,9 +423,9 @@
 }
 
 @keyframes parts1 {
-    0%   { opacity: 0.08; }
+    0%   { opacity: 0.0; }
     50%   { opacity: 0.20; }
-    100%   { opacity: 0.08; }
+    100%   { opacity: 0.0; }
   }
 
   @keyframes parts2 {