.pk{box-shadow:inset 0 1px 0 0 #fff;background:linear-gradient(to bottom,#fff 5%,#f6f6f6 100%);background-color:#fff;border-radius:6px;border:1px solid #dcdcdc;display:inline-block;cursor:pointer;color:#666;font-family:Arial;font-size:15px;font-weight:700;padding:6px 24px;text-decoration:none;text-shadow:0 1px 0 #fff}.pk:hover{background:linear-gradient(to bottom,#f6f6f6 5%,#fff 100%);background-color:#f6f6f6}.pk:active{position:relative;top:1px}