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