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