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