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