Element block pseudo-class :active generated with transition width 160px transform font-weight normal border 0px rgba(0,0,0,1) solid box-sizing content-box cursor default position static border-radius background box-shadow 1px 1px 1px rgba(0,0,0,0.3) padding 20px line-height 1 float none overflow hidden margin 2px font-size 16px display block text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto z-index auto