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