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