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