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