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