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