[IMP] website_sale: added classes for small screen sizes
[IMP] website_sale: added classes for small screen sizes

stephen144/odoo,optima-ict/odoo,dfang/odoo,optima-ict/odoo,storm-computers/odoo,addition-it-solutions/project-all,Grirrane/odoo,alhashash/odoo,Elico-Corp/odoo_OCB,Elico-Corp/odoo_OCB,hip-odoo/odoo,sysadminmatmoz/OCB,storm-computers/odoo,bplancher/odoo,mkieszek/odoo,deKupini/erp,laslabs/odoo,optima-ict/odoo,tvtsoft/odoo8,laslabs/odoo,mkieszek/odoo,bplancher/odoo,sysadminmatmoz/OCB,cdrooom/odoo,stephen144/odoo,odoousers2014/odoo,addition-it-solutions/project-all,syci/OCB,Grirrane/odoo,ygol/odoo,mkieszek/odoo,storm-computers/odoo,stephen144/odoo,Elico-Corp/odoo_OCB,addition-it-solutions/project-all,addition-it-solutions/project-all,tvtsoft/odoo8,odoousers2014/odoo,laslabs/odoo,microcom/odoo,Elico-Corp/odoo_OCB,syci/OCB,sysadminmatmoz/OCB,deKupini/erp,optima-ict/odoo,storm-computers/odoo,hip-odoo/odoo,laslabs/odoo,odoousers2014/odoo,alhashash/odoo,hip-odoo/odoo,Elico-Corp/odoo_OCB,tvtsoft/odoo8,syci/OCB,cdrooom/odoo,microcom/odoo,ygol/odoo,odoousers2014/odoo,deKupini/erp,cdrooom/odoo,Grirrane/odoo,laslabs/odoo,Grirrane/odoo,sysadminmatmoz/OCB,microcom/odoo,bplancher/odoo,laslabs/odoo,alhashash/odoo,alhashash/odoo,hip-odoo/odoo,bplancher/odoo,microcom/odoo,syci/OCB,bplancher/odoo,microcom/odoo,stephen144/odoo,ygol/odoo,addition-it-solutions/project-all,cdrooom/odoo,tvtsoft/odoo8,Grirrane/odoo,ygol/odoo,ygol/odoo,addition-it-solutions/project-all,bplancher/odoo,syci/OCB,stephen144/odoo,dfang/odoo,odoousers2014/odoo,tvtsoft/odoo8,syci/OCB,microcom/odoo,alhashash/odoo,Grirrane/odoo,mkieszek/odoo,dfang/odoo,optima-ict/odoo,alhashash/odoo,dfang/odoo,deKupini/erp,dfang/odoo,storm-computers/odoo,mkieszek/odoo,optima-ict/odoo,sysadminmatmoz/OCB,stephen144/odoo,storm-computers/odoo,mkieszek/odoo,deKupini/erp,Elico-Corp/odoo_OCB,dfang/odoo,hip-odoo/odoo,sysadminmatmoz/OCB,tvtsoft/odoo8,odoousers2014/odoo,ygol/odoo,hip-odoo/odoo,sysadminmatmoz/OCB,ygol/odoo