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