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