input#captcha{border: 0;outline: 0;vertical-align: top;padding: 6px 16px 10px 16px;background: #fff;resize: none;width: 80px;font-size: 25px;text-align: center;}
.captchaImg{background:#fff; width:80px; height: 45px;}
@media (max-width: 1669px){
  .captchaImg{height: 33px; width: 60px;}
  input#captcha{font-size: 15px; padding: 6px 12px 7px 12px;width: 60px;}
}
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type=number] {
  -moz-appearance: textfield;
}