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