Responsive design fixes
Responsive design fixes

* Fix top menu centered
* Fix "use billing address" checkbox positioned incorrectly

alejandromangione/spree,rajeevriitm/spree,njerrywerry/spree,quentinuys/spree,moneyspyder/spree,Ropeney/spree,bricesanchez/spree,tancnle/spree,azclick/spree,JDutil/spree,Mayvenn/spree,alepore/spree,surfdome/spree,athal7/solidus,siddharth28/spree,JDutil/spree,sfcgeorge/spree,hifly/spree,tomash/spree,reinaris/spree,LBRapid/spree,Engeltj/spree,bonobos/solidus,maybii/spree,rakibulislam/spree,CJMrozek/spree,vmatekole/spree,ayb/spree,shaywood2/spree,trigrass2/spree,priyank-gupta/spree,thogg4/spree,jparr/spree,fahidnasir/spree,Hates/spree,jspizziri/spree,alejandromangione/spree,TimurTarasenko/spree,dandanwei/spree,tancnle/spree,Antdesk/karpal-spree,maybii/spree,wolfieorama/spree,ramkumar-kr/spree,mindvolt/spree,sliaquat/spree,jeffboulet/spree,tesserakt/clean_spree,imella/spree,jparr/spree,firman/spree,judaro13/spree-fork,ckk-scratch/solidus,joanblake/spree,dafontaine/spree,mleglise/spree,tomash/spree,sliaquat/spree,Hawaiideveloper/shoppingcart,Engeltj/spree,grzlus/spree,KMikhaylovCTG/spree,yiqing95/spree,jordan-brough/spree,nooysters/spree,ckk-scratch/solidus,xuewenfei/solidus,jsurdilla/solidus,jhawthorn/spree,raow/spree,rakibulislam/spree,mindvolt/spree,devilcoders/solidus,gregoryrikson/spree-sample,radarseesradar/spree,codesavvy/sandbox,StemboltHQ/spree,reinaris/spree,shekibobo/spree,vulk/spree,APohio/spree,gautamsawhney/spree,berkes/spree,ayb/spree,beni55/spree,NerdsvilleCEO/spree,useiichi/spree,berkes/spree,zamiang/spree,trigrass2/spree,abhishekjain16/spree,groundctrl/spree,JDutil/spree,richardnuno/solidus,RatioClothing/spree,jeffboulet/spree,wolfieorama/spree,progsri/spree,Ropeney/spree,pervino/spree,Machpowersystems/spree_mach,biagidp/spree,edgward/spree,DynamoMTL/spree,pervino/spree,project-eutopia/spree,Hates/spree,groundctrl/spree,JuandGirald/spree,jasonfb/spree,grzlus/solidus,vinayvinsol/spree,APohio/spree,pulkit21/spree,Arpsara/solidus,jsurdilla/solidus,softr8/spree,ujai/spree,bjornlinder/Spree,patdec/spree,sfcgeorge/spree,Senjai/spree,calvinl/spree,jaspreet21anand/spree,miyazawatomoka/spree,Senjai/solidus,Lostmyname/spree,wolfieorama/spree,gautamsawhney/spree,builtbybuffalo/spree,gautamsawhney/spree,reinaris/spree,reidblomquist/spree,Mayvenn/spree,ahmetabdi/spree,patdec/spree,devilcoders/solidus,jimblesm/spree,jspizziri/spree,vinsol/spree,forkata/solidus,Antdesk/karpal-spree,camelmasa/spree,camelmasa/spree,CiscoCloud/spree,SadTreeFriends/spree,yushine/spree,odk211/spree,alvinjean/spree,jimblesm/spree,scottcrawford03/solidus,yushine/spree,wolfieorama/spree,grzlus/spree,kewaunited/spree,assembledbrands/spree,priyank-gupta/spree,biagidp/spree,softr8/spree,maybii/spree,kitwalker12/spree,FadliKun/spree,piousbox/spree,forkata/solidus,ahmetabdi/spree,priyank-gupta/spree,sunny2601/spree,yomishra/pce,PhoenixTeam/spree_phoenix,useiichi/spree,azclick/spree,adaddeo/spree,joanblake/spree,codesavvy/sandbox,dotandbo/spree,abhishekjain16/spree,vinayvinsol/spree,dandanwei/spree,pjmj777/spree,reidblomquist/spree,jasonfb/spree,kitwalker12/spree,zaeznet/spree,vmatekole/spree,derekluo/spree,APohio/spree,azclick/spree,hoanghiep90/spree,watg/spree,Mayvenn/spree,berkes/spree,caiqinghua/spree,TrialGuides/spree,JDutil/spree,Lostmyname/spree,jordan-brough/solidus,ramkumar-kr/spree,archSeer/spree,trigrass2/spree,knuepwebdev/FloatTubeRodHolders,Boomkat/spree,bjornlinder/Spree,robodisco/spree,lzcabrera/spree-1-3-stable,Senjai/spree,ahmetabdi/spree,dotandbo/spree,TimurTarasenko/spree,jhawthorn/spree,surfdome/spree,piousbox/spree,sfcgeorge/spree,yiqing95/spree,bonobos/solidus,jeffboulet/spree,grzlus/solidus,athal7/solidus,vulk/spree,brchristian/spree,omarsar/spree,lzcabrera/spree-1-3-stable,woboinc/spree,jasonfb/spree,archSeer/spree,siddharth28/spree,orenf/spree,StemboltHQ/spree,rbngzlv/spree,Nevensoft/spree,devilcoders/solidus,Senjai/solidus,Migweld/spree,madetech/spree,yushine/spree,degica/spree,jimblesm/spree,abhishekjain16/spree,SadTreeFriends/spree,tesserakt/clean_spree,bonobos/solidus,grzlus/spree,beni55/spree,agient/agientstorefront,jspizziri/spree,reidblomquist/spree,CJMrozek/spree,imella/spree,gregoryrikson/spree-sample,piousbox/spree,jordan-brough/spree,robodisco/spree,progsri/spree,gautamsawhney/spree,azranel/spree,lsirivong/spree,volpejoaquin/spree,rbngzlv/spree,pervino/spree,zamiang/spree,softr8/spree,Hates/spree,calvinl/spree,TrialGuides/spree,carlesjove/spree,orenf/spree,alepore/spree,joanblake/spree,miyazawatomoka/spree,Hawaiideveloper/shoppingcart,jimblesm/spree,fahidnasir/spree,brchristian/spree,Boomkat/spree,radarseesradar/spree,maybii/spree,alvinjean/spree,KMikhaylovCTG/spree,azranel/spree,sfcgeorge/spree,builtbybuffalo/spree,pulkit21/spree,project-eutopia/spree,progsri/spree,firman/spree,mindvolt/spree,hoanghiep90/spree,Migweld/spree,camelmasa/spree,derekluo/spree,dandanwei/spree,volpejoaquin/spree,jordan-brough/solidus,vulk/spree,jasonfb/spree,kitwalker12/spree,AgilTec/spree,Migweld/spree,volpejoaquin/spree,keatonrow/spree,mleglise/spree,siddharth28/spree,zaeznet/spree,DynamoMTL/spree,carlesjove/spree,vcavallo/spree,robodisco/spree,Ropeney/spree,freerunningtech/spree,calvinl/spree,siddharth28/spree,KMikhaylovCTG/spree,brchristian/spree,StemboltHQ/spree,vinsol/spree,surfdome/spree,jsurdilla/solidus,watg/spree,degica/spree,bricesanchez/spree,RatioClothing/spree,Senjai/solidus,vulk/spree,delphsoft/spree-store-ballchair,jordan-brough/solidus,njerrywerry/spree,Hawaiideveloper/shoppingcart,locomotivapro/spree,groundctrl/spree,alvinjean/spree,xuewenfei/solidus,Boomkat/spree,hoanghiep90/spree,sideci-sample/sideci-sample-spree,FadliKun/spree,SadTreeFriends/spree,Lostmyname/spree,karlitxo/spree,delphsoft/spree-store-ballchair,yiqing95/spree,quentinuys/spree,edgward/spree,ahmetabdi/spree,agient/agientstorefront,useiichi/spree,FadliKun/spree,grzlus/solidus,omarsar/spree,alejandromangione/spree,biagidp/spree,lsirivong/spree,KMikhaylovCTG/spree,fahidnasir/spree,volpejoaquin/spree,scottcrawford03/solidus,madetech/spree,knuepwebdev/FloatTubeRodHolders,shioyama/spree,zaeznet/spree,thogg4/spree,welitonfreitas/spree,lzcabrera/spree-1-3-stable,ramkumar-kr/spree,Ropeney/spree,SadTreeFriends/spree,caiqinghua/spree,bonobos/solidus,pervino/solidus,gregoryrikson/spree-sample,freerunningtech/spree,devilcoders/solidus,karlitxo/spree,jaspreet21anand/spree,pervino/solidus,adaddeo/spree,richardnuno/solidus,vinayvinsol/spree,DynamoMTL/spree,agient/agientstorefront,jeffboulet/spree,agient/agientstorefront,degica/spree,lsirivong/solidus,nooysters/spree,FadliKun/spree,robodisco/spree,jhawthorn/spree,lsirivong/solidus,quentinuys/spree,patdec/spree,pervino/solidus,ujai/spree,rbngzlv/spree,Boomkat/spree,urimikhli/spree,pjmj777/spree,rakibulislam/spree,rbngzlv/spree,lyzxsc/spree,zaeznet/spree,sunny2601/spree,NerdsvilleCEO/spree,scottcrawford03/solidus,progsri/spree,vcavallo/spree,moneyspyder/spree,ramkumar-kr/spree,shaywood2/spree,rajeevriitm/spree,tailic/spree,Kagetsuki/spree,cutefrank/spree,lsirivong/solidus,ckk-scratch/solidus,xuewenfei/solidus,APohio/spree,DarkoP/spree,brchristian/spree,AgilTec/spree,caiqinghua/spree,orenf/spree,camelmasa/spree,madetech/spree,net2b/spree,raow/spree,pervino/solidus,PhoenixTeam/spree_phoenix,PhoenixTeam/spree_phoenix,tailic/spree,radarseesradar/spree,berkes/spree,welitonfreitas/spree,adaddeo/spree,kewaunited/spree,tomash/spree,lsirivong/spree,derekluo/spree,rakibulislam/spree,shioyama/spree,madetech/spree,Kagetsuki/spree,rajeevriitm/spree,jparr/spree,vinsol/spree,firman/spree,TimurTarasenko/spree,urimikhli/spree,project-eutopia/spree,radarseesradar/spree,sliaquat/spree,keatonrow/spree,HealthWave/spree,sunny2601/spree,rajeevriitm/spree,patdec/spree,vcavallo/spree,quentinuys/spree,shekibobo/spree,groundctrl/spree,sideci-sample/sideci-sample-spree,Senjai/solidus,trigrass2/spree,TrialGuides/spree,dotandbo/spree,edgward/spree,shioyama/spree,DarkoP/spree,softr8/spree,PhoenixTeam/spree_phoenix,Nevensoft/spree,sunny2601/spree,DarkoP/spree,Migweld/spree,Antdesk/karpal-spree,edgward/spree,yiqing95/spree,AgilTec/spree,locomotivapro/spree,Senjai/spree,ujai/spree,net2b/spree,Arpsara/solidus,reidblomquist/spree,tomash/spree,HealthWave/spree,joanblake/spree,firman/spree,vmatekole/spree,njerrywerry/spree,omarsar/spree,kewaunited/spree,mleglise/spree,archSeer/spree,imella/spree,cutefrank/spree,useiichi/spree,builtbybuffalo/spree,shaywood2/spree,forkata/solidus,CiscoCloud/spree,locomotivapro/spree,miyazawatomoka/spree,DynamoMTL/spree,mindvolt/spree,ckk-scratch/solidus,beni55/spree,judaro13/spree-fork,pulkit21/spree,lyzxsc/spree,dandanwei/spree,abhishekjain16/spree,watg/spree,alvinjean/spree,delphsoft/spree-store-ballchair,lyzxsc/spree,jaspreet21anand/spree,dafontaine/spree,Kagetsuki/spree,tesserakt/clean_spree,jsurdilla/solidus,dafontaine/spree,yushine/spree,codesavvy/sandbox,shaywood2/spree,bricesanchez/spree,TrialGuides/spree,pjmj777/spree,Hawaiideveloper/shoppingcart,CJMrozek/spree,assembledbrands/spree,NerdsvilleCEO/spree,grzlus/solidus,ayb/spree,jordan-brough/solidus,cutefrank/spree,Machpowersystems/spree_mach,caiqinghua/spree,azclick/spree,woboinc/spree,odk211/spree,jparr/spree,hifly/spree,net2b/spree,shekibobo/spree,omarsar/spree,hoanghiep90/spree,dotandbo/spree,forkata/solidus,LBRapid/spree,delphsoft/spree-store-ballchair,judaro13/spree-fork,lyzxsc/spree,azranel/spree,freerunningtech/spree,Kagetsuki/spree,carlesjove/spree,bjornlinder/Spree,Mayvenn/spree,calvinl/spree,CiscoCloud/spree,DarkoP/spree,keatonrow/spree,urimikhli/spree,Arpsara/solidus,grzlus/spree,hifly/spree,sliaquat/spree,sideci-sample/sideci-sample-spree,knuepwebdev/FloatTubeRodHolders,vcavallo/spree,adaddeo/spree,priyank-gupta/spree,yomishra/pce,JuandGirald/spree,piousbox/spree,keatonrow/spree,moneyspyder/spree,Lostmyname/spree,Arpsara/solidus,njerrywerry/spree,alepore/spree,tesserakt/clean_spree,pervino/spree,mleglise/spree,derekluo/spree,richardnuno/solidus,AgilTec/spree,ayb/spree,thogg4/spree,lsirivong/spree,tancnle/spree,athal7/solidus,thogg4/spree,jaspreet21anand/spree,dafontaine/spree,azranel/spree,Machpowersystems/spree_mach,welitonfreitas/spree,assembledbrands/spree,vmatekole/spree,vinayvinsol/spree,shekibobo/spree,jspizziri/spree,project-eutopia/spree,surfdome/spree,TimurTarasenko/spree,karlitxo/spree,kewaunited/spree,moneyspyder/spree,Engeltj/spree,scottcrawford03/solidus,gregoryrikson/spree-sample,JuandGirald/spree,carlesjove/spree,odk211/spree,codesavvy/sandbox,zamiang/spree,athal7/solidus,woboinc/spree,nooysters/spree,builtbybuffalo/spree,Nevensoft/spree,vinsol/spree,NerdsvilleCEO/spree,fahidnasir/spree,yomishra/pce,cutefrank/spree,Engeltj/spree,LBRapid/spree,Nevensoft/spree,nooysters/spree,raow/spree,tancnle/spree,raow/spree,beni55/spree,jordan-brough/spree,pulkit21/spree,Hates/spree,HealthWave/spree,CiscoCloud/spree,orenf/spree,karlitxo/spree,net2b/spree,miyazawatomoka/spree,JuandGirald/spree,CJMrozek/spree,hifly/spree,zamiang/spree,odk211/spree,richardnuno/solidus,RatioClothing/spree,tailic/spree,xuewenfei/solidus,reinaris/spree,lsirivong/solidus,locomotivapro/spree,archSeer/spree,welitonfreitas/spree,alejandromangione/spree