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