Responsively hide drawer panel @840px
Responsively hide drawer panel @840px

The default responsive width to hide the paper-drawer-panel is an uncomfortable 600px -- let's increase it to 840px, a value consistent with media queries found in the PSK.
abdonrd/polymer-starter-kit,Ex-ante-Labs/pivot-ahead,anthonybrown/polymer-starter-kit,Serious-Rage/poligomy,Ex-ante-Labs/shopper.ninja,FaellCarvalho/Geo-Location,anthonybrown/polymer-starter-kit,markovuksanovic/polymer-starter-kit,Ex-ante-Labs/shopper.ninja,lordoftheflies/mlm-portal,StartPolymer/polymer-starter-kit,StartPolymer/polymer-starter-kit-plus,abdonrd/polymer-starter-kit,lordoftheflies/mlm-portal,lordoftheflies/mlm-portal,FaellCarvalho/Geo-Location,flaiker/polymer-starter-kit,StartPolymer/polymer-starter-kit-plus,StartPolymer/polymer-starter-kit,Serious-Rage/poligomy,markovuksanovic/polymer-starter-kit,Serious-Rage/poligomy,FaellCarvalho/Geo-Location,flaiker/polymer-starter-kit,Ex-ante-Labs/pivot-ahead,markovuksanovic/polymer-starter-kit