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