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