#otp_send_btn{
	padding:3px 9px;
	font-size: 12px;
}
.otp-field {
	display: inline-block;
	width: 3rem;
	text-align: center;
  	font-weight: 500;
}
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

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