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