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