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