Element block pseudo-element :after generated with box-sizing content-box margin 0px background height auto display block transform transition line-height 1 border 0px rgba(0,0,0,1) solid border-radius font-size 16px cursor default z-index auto padding 20px font-weight normal box-shadow 1px 1px 1px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2) width 160px overflow hidden float left position relative