JSFiddle - React, Tailwind, and code Playground

HTML

<input type="number" value="2">

CSS

input[type=number] {
  width: 9vw;
  height: 10vw;
  max-width: 42px;
  max-height: 52px;
  text-align: center;
  -moz-border-radius: 1px;
  -webkit-border-radius: 1px;
  border-radius: 1px;
  text-align: center;
  border: 3px solid black;
  display: inline-block;
  margin-left: 6%;
  background-color: black;
  color: white;
}

input::-webkit-outer-spin-button,
input::-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 */
    background: #eee url('http://i.stack.imgur.com/YYySO.png') no-repeat 50% 50%;  
    width: 14px;
    height: 14px;
    padding: 4px;
    position: relative;
    right: 4px;
    border-radius: 28px;
}