style.css: Add `padding-bottom` to container.
style.css: Add `padding-bottom` to container.

Fixes issue in some news posts.

mpc-hc/mpc-hc.org,FeodorFitsner/mpc-hc.org,Underground78/mpc-hc.org,Underground78/mpc-hc.org,FeodorFitsner/mpc-hc.org,FeodorFitsner/mpc-hc.org,Underground78/mpc-hc.org,kasper93/mpc-hc.org,mpc-hc/mpc-hc.org,mpc-hc/mpc-hc.org,kasper93/mpc-hc.org