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input[type='number']::-webkit-outer-spin-button,
input[type='number']::-webkit-inner-spin-button {
  /* display: none; <- Crashes Chrome on hover */
  -webkit-appearance: none;
  margin: 0; /* <-- Apparently some margin are still there even though it's hidden */
}

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