Adds equal left and right padding to paper-material
Adds equal left and right padding to paper-material

jeffposnick/polymer-starter-kit,SB-Technology-Holdings-International/Water,StartPolymer/polymer-starter-kit,proplanr/polymer-starter-kit,fousheezy/ncdc-events,taranjeetsapra/polymer-starter-kit,FaellCarvalho/Geo-Location,trendystore/store,paul-jean/polymer-starter-kit,michaetto/f16,jamesthechamp/polymer-starter-kit,alexpaluzzi/polymer-starter-kit,eafelix/polymer-starter-kit,yi-jiayu/mahjong-calculator-v2,kristianmandrup/polymer-starter-kit-plus,timeu/polymer-starter-kit,Jelle-imitto/tools-polymer,vfarcic/polymer,lordoftheflies/mlm-portal,mikaelharsjo/polymer-starter-kit,RichOren/polymer-starter-kit,bsparks/polymer-starter-kit,babinux/testsignup,semafloor/semafloor-test-alpha,unbug/polymer-starter-kit,talee/flex,DHSDevelopersClub/home-access-client,mtusk/polymer-starter-kit,jimivdw/polymer-starter-kit,hbx5555/polymer-starter-kit,hliyan/polymer-starter-kit,elementron/elementron,andrefuller/PolymerTrailerViewer,markovuksanovic/polymer-starter-kit,gick/mobile-polymer-starter-2,anthonybrown/polymer-starter-kit,stevenquiroa/thepolymerproject,MontyNish/polymer-starter-kit,neo0rabie/Portfolio,plusCubed/pluscubed-site,uvalib/wayfinding-kiosk,didrocks/polymer-starter-kit,timeu/polymer-starter-kit,kristianmandrup/polymer-starter-kit,OscaRoa/polymer-starter-kit,OscaRoa/polymer-starter-kit,shauvik/polymer-starter-kit,hwangc/polymer-starter-kit,hocine-h/polymer-starter-kit,shingo-kumagai/polymer-starter-kit,uvalib/alderman-renew,victorgb6/id-questionary,bsparks/polymer-starter-kit,abdonrd/polymer-starter-kit,jimivdw/polymer-starter-kit,uvalib/wayfinding-kiosk,M4gn4tor/polymer-starter-kit,kristianmandrup/polymer-starter-kit-plus,natabbotts/blogs.org.uk,gick/mobile-polymer-starter-2,ek/polymer-starter-kit,StatelessCat/zealous-octo-wookie,SB-Technology-Holdings-International/Water,patsissons/polymer-starter-kit,m4h4n/polymer-starter-kit,gick/reveries-project,michaetto/f16,StartPolymer/polymer-starter-kit,lordoftheflies/mlm-portal,ndrd/nodrd-js,be-cloud-js/odoo-dashboard,datalink747/polymer-starter-kit,Jelle-imitto/tools-polymer,semafloor/semafloor-test-alpha,SB-Technology-Holdings-International/Water,gick/mobile-polymer-starter-2,paul-jean/polymer-starter-kit,tecla5/site,markovuksanovic/polymer-starter-kit,DHSDevelopersClub/home-access-client,elegant651/polyfolio,stefanoantonel/ecofit,Awarua-/Agilefant-Times-Polymer-Front-end,blmarket/my-polymer-elements,gertcuykens/polymer-starter-kit,klikam/enterprise,pathfinderstudios/polymer-starter-kit,pathfinderstudios/polymer-starter-kit,VandeurenGlenn/web-import,bendroid/polymer-starter-kit,markovuksanovic/polymer-starter-kit,TheFinestArtist/HandbellChoir-Web,stefanoantonel/ecofit,victorgb6/id-questionary,bright-sparks/polymer-starter-kit,trendystore/store,sebs/cat-toy,elementron/elementron,alexpaluzzi/polymer-starter-kit,datalink747/polymer-starter-kit,be-cloud-js/odoo-dashboard,WestchesterPublicLibrary/WPLreports,ragingwind/polymer-starter-kit,LM450N/polymer-starter-kit,hliyan/polymer-starter-kit,newrocknj/polymer-starter-kit,anthonybrown/polymer-starter-kit,altereagle/polymer-starter-kit,noahlaux/polymer-starter-kit,ragingwind/polymer-starter-kit,pedrogasg/polypdu,zmoshansky/polymer-starter-kit,finch0219/polymer-starter-kit,GNURub/polymer-starter-kit,grebett/polymer-starter-kit,camargoanderso/polymer-starter-kit,VandeurenGlenn/web-import,Nzaga/polymer-starter-kit,budnik/polymer-starter-kit,paul-jean/foo-bar-element,grebett/polymer-starter-kit,egohub/appdesign,JnJSW/dttdata,Jelle-imitto/tools-polymer,hocine-h/polymer-starter-kit,SB-Technology-Holdings-International/WateringWebClient,flaiker/polymer-starter-kit,jeffposnick/polymer-starter-kit,hbx5555/polymer-starter-kit,Negashev/i-kosmetolog,Sykkro/penny-web,gianluka79/First,jareknowotka/enterprise,M4gn4tor/polymer-starter-kit,hourliert/polymer-starter-kit,ianholing/geowall-project,vl4dt/polymer-starter-kit,bird1235456/polymer-starter-kit,napalmdev/polymer-starter-kit,plusCubed/pluscubed-site,shawnhermans/polymer-starter-kit,elementron/elementron,Serious-Rage/poligomy,hourliert/polymer-starter-kit,Ex-ante-Labs/shopper.ninja,stevenquiroa/polymer-starter-kit,robdodson/polymer-starter-kit,HIROSN/polymer-starter-kit,uvalib/alderman-renew,elenadatsiuk/tinkersolomid,muhanadra/Portfolio,ndrd/nodrd-js,RoyKoh/Project-3,SB-Technology-Holdings-International/WateringWebClient,klarkc/polymer-loopback-starter-kit,bdnorg/tmi,patilharshali/polymer-starter-kit,liris-tweak/taaabs,stephenzsy/charon-frontend,gianluka79/First,vl4dt/polymer-starter-kit,grebett/polymer-starter-kit,asternux/polymer-starter-kit,unbug/polymer-starter-kit,SB-Technology-Holdings-International/Water,jvkops/polymer-starter-kit,FaellCarvalho/Geo-Location,SB-Technology-Holdings-International/WateringWebClient,FTG-003/polymer-starter-kit,Sykkro/penny-web,bendroid/polymer-starter-kit,stevenquiroa/thepolymerproject,victorgb6/id-questionary,dennisg/luminis-colleagues,tecla5/site,shingo-kumagai/polymer-starter-kit,didrocks/polymer-starter-kit,StartPolymer/polymer-starter-kit-plus,GNURub/polymer-starter-kit,napalmdev/polymer-starter-kit,grouma/web-remote,trendystore/store,jakemac53/polymer-starter-kit,anusornc/polymer-starter-kit,eafelix/polymer-starter-kit,JnJSW/dttdata,HIROSN/polymer-starter-kit,stephenzsy/charon-frontend,abdonrd/polymer-starter-kit,dennisg/luminis-colleagues,egohub/appdesign,vfarcic/polymer,jdavidagudelo/polymerstarter,felixzapata/polymer-starter-kit,paulcbetts/polymer-starter-kit,LM450N/polymer-starter-kit,StatelessCat/psk-html-importer,klarkc/polymer-loopback-starter-kit,WestchesterPublicLibrary/WPLreports,simonfan/polymer-starter-kit,jdavidagudelo/polymerstarter,flaiker/polymer-starter-kit,ek/polymer-starter-kit,patilharshali/polymer-starter-kit,lordoftheflies/mlm-portal,andrefuller/PolymerTrailerViewer,TheFinestArtist/HandbellChoir-Web,Awarua-/Agilefant-Times-Polymer-Front-end,burakkp/polymer-starter-kit,arthurvr/polymer-starter-kit,tpgmartin/polymer-starter-kit,Negashev/negash.ru,babinux/testsignup,soonick/polymer-starter-kit,didrocks/site-julie,SB-Technology-Holdings-International/WateringWebClient,kenjitayama/polymer-starter-kit,hectorguo/polymer-starter-kit,klikam/enterprise,finch0219/polymer-starter-kit,klarkc/polymer-loopback-starter-kit,sebs/cat-toy,JnJSW/dttdata,Negashev/i-kosmetolog,1001genomes/admixture-map,MyanmarAPI/data-entry-app,Serious-Rage/poligomy,Serious-Rage/poligomy,elegant651/polyfolio,shauvik/polymer-starter-kit,zmoshansky/polymer-starter-kit,stefanoantonel/ecofit,shawnhermans/polymer-starter-kit,didrocks/site-julie,MyanmarAPI/data-entry-app,ianholing/geowall-project,jareknowotka/enterprise,gick/reveries-project,bird1235456/polymer-starter-kit,taranjeetsapra/polymer-starter-kit,hectorguo/polymer-starter-kit,felixzapata/polymer-starter-kit,talee/flex,anusornc/polymer-starter-kit,paddeee/farrel,StartPolymer/polymer-starter-kit-plus,Negashev/negash.ru,Ex-ante-Labs/pivot-ahead,Sykkro/penny-web,LM450N/polymer-starter-kit,Jelle-imitto/tools-polymer,natabbotts/blogs.org.uk,WestchesterPublicLibrary/WPLreports,camargoanderso/polymer-starter-kit,Joostvanderlaan/polymer-starter-kit-1,MontyNish/polymer-starter-kit,paulcbetts/polymer-starter-kit,budnik/polymer-starter-kit,jakemac53/polymer-starter-kit,baberthal/polymer-starter-kit,baberthal/polymer-starter-kit,ragingwind/polymer-starter-kit,semafloor/semafloor-test-alpha,mtusk/polymer-starter-kit,paddeee/farrel,patsissons/polymer-starter-kit,stefanoantonel/brainpower,gertcuykens/polymer-starter-kit,Ex-ante-Labs/shopper.ninja,bright-sparks/polymer-starter-kit,newrocknj/polymer-starter-kit,Negashev/negash.ru,asternux/polymer-starter-kit,jvkops/polymer-starter-kit,RoyKoh/Project-3,gianluka79/First,RichOren/polymer-starter-kit,andrefuller/PolymerTrailerViewer,felixzapata/polymer-starter-kit,paddeee/farrel,yi-jiayu/mahjong-calculator-v2,gick/reveries-project,FTG-003/polymer-starter-kit,1001genomes/admixture-map,stevenquiroa/polymer-starter-kit,noahlaux/polymer-starter-kit,RoyKoh/Project-3,bdnorg/tmi,Nzaga/polymer-starter-kit,altereagle/polymer-starter-kit,elenadatsiuk/tinkersolomid,WestchesterPublicLibrary/WPLreports,alexpaluzzi/polymer-starter-kit,hwangc/polymer-starter-kit,Joostvanderlaan/polymer-starter-kit-1,muhanadra/Portfolio,DHSDevelopersClub/home-access-client,StatelessCat/zealous-octo-wookie,paul-jean/foo-bar-element,stefanoantonel/brainpower,stephenzsy/charon-frontend,m4h4n/polymer-starter-kit,kristianmandrup/polymer-starter-kit,FaellCarvalho/Geo-Location,proplanr/polymer-starter-kit,kenjitayama/polymer-starter-kit,blmarket/my-polymer-elements,proplanr/polymer-starter-kit,pedrogasg/polypdu,burakkp/polymer-starter-kit,didrocks/site-julie,jamesthechamp/polymer-starter-kit,samccone/polymer-starter-kit,samccone/polymer-starter-kit,fousheezy/ncdc-events,Jelle-imitto/tools-polymer,grouma/web-remote,simonfan/polymer-starter-kit,robdodson/polymer-starter-kit,mikaelharsjo/polymer-starter-kit,neo0rabie/Portfolio,soonick/polymer-starter-kit,paul-jean/polymer-starter-kit,michaetto/f16,pathfinderstudios/polymer-starter-kit,SB-Technology-Holdings-International/Water,gertcuykens/polymer-starter-kit,DHSDevelopersClub/home-access-client,Negashev/i-kosmetolog,StatelessCat/psk-html-importer,liris-tweak/taaabs,didrocks/site-julie,Ex-ante-Labs/pivot-ahead,tpgmartin/polymer-starter-kit,arthurvr/polymer-starter-kit