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