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