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