Temp italics fix

src/sentry/static/sentry/less/group-detail.less

@@ -1575,11 +1575,15 @@ ul.crumbs {
 
     time, span.dt {
       font-size: 12px;
-      color: @gray;
+      color: @gray-dark;
       position: absolute;
       right: 20px
     }
 
+    em {
+      font-style: normal;
+    }
+
     span.crumb-category {
       font-size: 95%;
       font-weight: bold;