Hotfix/0.3.3: Mobile Layout Fixes & Imporvements

* Shrunk BG number on mobile so it doesn't push the time elements out of view (when the toolbar is collapsed).
* Fix issue that caused the chart to fill the entire screen on the Android Stock & Dolphin Browsers.
* Removed strikethrough on arrows (when data is stale).
* Improved alignment of time elements.
* Slight style refactoring (moved some css from js to css).