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