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