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