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