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