.container {
  position: relative;
  width: 200px;
  height: 20px;
  background: black;
  border: 1px solid grey;
  box-sizing: content-box;
}

.input {
  position: absolute;
  outline: none;
  border: none;
  background: none;
  left: 1px;
  width: calc(100% - 2px);
  height: 100%;
  font-family: minecraft, mojangles, monospace;
  font-size: 10px;
  color: white;
  text-shadow: 1px 1px #222;
  padding-left: 2px;
}

.container:hover,
.container:focus-within {
  border-color: white;
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

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