updated cover for themes article
updated cover for themes article

SelenIT/devopera,SelenIT/devopera,andreasbovens/devopera,simevidas/devopera,cvan/devopera,Mtmotahar/devopera,initaldk/devopera,initaldk/devopera,kenarai/devopera,paulirish/devopera,shwetank/devopera,cvan/devopera,operasoftware/devopera,andreasbovens/devopera,andreasbovens/devopera,payeldillip/devopera,Mtmotahar/devopera,payeldillip/devopera,erikmaarten/devopera,erikmaarten/devopera,michaelstewart/devopera,cvan/devopera,simevidas/devopera,simevidas/devopera,payeldillip/devopera,Jasenpan1987/devopera,SelenIT/devopera,simevidas/devopera,kenarai/devopera,operasoftware/devopera,operasoftware/devopera,michaelstewart/devopera,initaldk/devopera,michaelstewart/devopera,operasoftware/devopera,SelenIT/devopera,Jasenpan1987/devopera,Jasenpan1987/devopera,cvan/devopera,erikmaarten/devopera,payeldillip/devopera,paulirish/devopera,paulirish/devopera,paulirish/devopera,shwetank/devopera,Jasenpan1987/devopera,initaldk/devopera,shwetank/devopera,kenarai/devopera,Mtmotahar/devopera,michaelstewart/devopera,Mtmotahar/devopera,kenarai/devopera,erikmaarten/devopera