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