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