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