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