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