Element block pseudo-element :before generated with margin 1px z-index auto height auto width 160px border 0px rgba(0,0,0,1) solid float none box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) outline none font-weight normal box-sizing content-box overflow visible font-size 16px border-radius opacity 0.07 position fixed cursor default transition line-height 1 transform padding 2px background