Add collapsing animation for 2nd level nav menu

Change-Id: Ie60d6c9d0aaff1e6db785a678e38c626925c8799
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 0247f7f..910be7a 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: 100rem;
+  max-width: 90rem;
   margin-right: auto;
   margin-left: auto; }
 .row::before, .row::after {
diff --git a/app/common/styles/base/typography.scss b/app/common/styles/base/typography.scss
index 9d498da..dfad5a4 100644
--- a/app/common/styles/base/typography.scss
+++ b/app/common/styles/base/typography.scss
@@ -46,20 +46,6 @@
   letter-spacing: -.05rem;
 }
 
-.content-header {
-  font-weight: 700;
-  margin-bottom: 0;
-  margin-top: 2em;
-}
-
-.content-label {
-  color: darken($lightgrey, 10%);
-  text-transform: uppercase;
-  font-weight: 700;
-  font-size: .75em;
-  margin-bottom: 3px;
-}
-
 .courier-normal {
   font-family: "Courier New", Helvetica, arial, sans-serif;
 }