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