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