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