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