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