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