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