html nonaktifkan tombol spin pada nomor tipe input

/* Chrome & Safari */
input[type=number]::-webkit-inner-spin-button, 
input[type=number]::-webkit-outer-spin-button { 
	-webkit-appearance: none;
	margin: 0;
}
/* Firefox */
input[type="number"] {
	-moz-appearance: textfield;
}
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