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