Element block pseudo-element :after generated with float none overflow hidden padding 20px height auto box-sizing content-box margin 0px border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) background font-size 16px width 160px font-weight normal z-index auto cursor default box-shadow 1px 1px 1px rgba(0,0,0,0.3) position static display block border-radius transform line-height 1 transition