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