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