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