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