Element block pseudo-element :before generated with float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) overflow hidden margin 0px border 8px rgba(0,0,0,1) solid position static outline none transition opacity 1 z-index auto display block box-sizing content-box width 160px text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto border-radius padding 20px font-weight normal background line-height 1 cursor default font-size 16px transform