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