Edit in JSFiddle

<button>
버튼1
</button>

<input type="button" value="버튼2">

button, input {
  -moz-appearance:none; /* Firefox */
  -webkit-appearance:none; /* Safari and Chrome */
  appearance:none;
  background-color: #F5F5F5;
  border-color: #D0D0D0;
}