在同一个CSS中自定义不同的提交按钮

<form>
 <input type="submit" class="btn-primary" value="提交1">
 <input type="submit" class="btn-secondary" value="提交2">
</form>

.btn-primary {
  background-color: #007bff;
  color: #fff;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}

.btn-secondary {
  background-color: #6c757d;
  color: #fff;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
}