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