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