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