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