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