* Give deck browser table an elevated container look
* Tweak colors of elevated containers (e.g. in deck options)
* Prepare editor fields for custom backgrounds
* Tweak field margin and add explanatory comment
* Include base styles in graphs-base.scss
This includes the custom scrollbar styles, which were missing on the stats page.
* Set responsive grid layout on GraphsPage, use TitledContainer component
+ use global button style, tweak input appearance and other small changes
* Improve margins on GraphsPage