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/elements/export.scss b/app/common/styles/elements/export.scss
index 45b910a..ea0ab92 100644
--- a/app/common/styles/elements/export.scss
+++ b/app/common/styles/elements/export.scss
@@ -1,19 +1,17 @@
 //Export button
 .btn-export {
-  text-transform: capitalize;
   color: $black;
   font-size: .9em;
   font-weight: 700;
   position: relative;
   padding: 0 0 1em 2em;
   margin-right: .6em;
+  text-decoration: none;
+  margin-top: 7px;
   &:hover {
     text-decoration: underline;
   }
 }
-.btn-export {
-  margin-top: 7px;
-}
 .btn-export:before {
   content: '\21E5';
   position: absolute;