add Activity header on the homepage.

resources/frontend_client/app/components/Navbar.react.js

@@ -93,7 +93,7 @@ export default class Navbar extends Component {
                         <a className="NavItem cursor-pointer text-white no-decoration flex align-center p2" href="/card/">Saved Questions</a>
                     </li>
                     <li className="ml2">
-                        <a className="rounded inline-block bg-white text-brand cursor-pointer p2 no-decoration" href="/q">New <span className="hide sm-show">Question</span></a>
+                        <a className="rounded shadowed inline-block bg-white text-brand cursor-pointer p2 no-decoration" href="/q">New <span className="hide sm-show">Question</span></a>
                     </li>
                     <li className="flex-align-right">
                         <div className="inline-block text-white"><ProfileLink {...this.props}></ProfileLink></div>

resources/frontend_client/app/home/components/Activity.react.js

@@ -183,7 +183,7 @@ export default class Activity extends Component {
                                 <div className="text-normal text-grey-2">Save a question and get this baby going!</div>
                             </div>
                         :
-                            <ul className="pt2 pb4 relative">
+                            <ul className="pb4 relative">
                                 {activity.map(item =>
                                     <li key={item.id} className="mt3">
                                         <ActivityItem

resources/frontend_client/app/home/components/Homepage.react.js

@@ -60,6 +60,7 @@ export default class Homepage extends Component {
                 <div className="relative felx flex-column flex-full md-pl4">
                     <div className="HomeLayout">
                         <div className="HomeLayout-mainColumn">
+                            <div style={{paddingLeft: "0.75rem"}} className="pt4 h2 text-normal">Activity</div>
                             <Activity {...this.props} />
                         </div>
                     </div>