Misc CSS fixes

  * set max content width to 960px
  * created mixin for bold font
  * move app-header content to global header
  * minor global changes
  * changed input alignment for network config inputs
  * added pop-out button class
  * changed lightgrey color
  * fixed accordion header actions responsiveness
  * fixed input box border colors

Change-Id: Iffe26d526439d7f2bb6808528a975ab7374ff1b2
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/common/styles/base/foundation.scss b/app/common/styles/base/foundation.scss
index 910be7a..9c31f8f 100644
--- a/app/common/styles/base/foundation.scss
+++ b/app/common/styles/base/foundation.scss
@@ -814,7 +814,7 @@
     display: block !important; } }
 
 .row {
-  max-width: 90rem;
+  max-width: 60.38rem; //960px
   margin-right: auto;
   margin-left: auto; }
 .row::before, .row::after {