재능은... 없다....
하지만 알아야 한다.

<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css"
      integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">

<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"
        integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
        crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"
        integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
        crossorigin="anonymous"></script>

<title>스파르타코딩클럽 | 부트스트랩 연습하기</title>

<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Gugi&display=swap" rel="stylesheet">

<style>
    * {
        font-family: 'Gugi', cursive;
    }

    .item-img {
        width: 500px;
        height: 300px;

        background-image: url("https://livlab.kr/web/product/big/202205/9019e98c946ad867af06c17e208b3747.jpeg");
        background-position: center;
        background-size: cover;
    }

    .item-stress {
        font-size: 20px;
    }

    .item-desc {
        width: 500px;

    }

    .btn-primary {
        width: 100px;
        margin: auto;
        display: block;
        border-radius: 5px;
    }

    .wrap {
        width: 500px;
        margin: auto;
    }

    .custom-select {
        color: gray;
    }

    .rate {
        color: blue;
    }
</style>

<script>
    $(document).ready(function () {
        get_rate();
    })

    function order() {
        alert('주문이 완료되었습니다!');
    }

    function get_rate() {
        $.ajax({
            type: "GET",
            url: "http://spartacodingclub.shop/sparta_api/rate",
            data: {},
            success: function (response) {
                let now_rate = response['rate'];
                $('#now-rate').text(now_rate);
            }


        })
    }
</script>

<div class="rate">
    <p>달러-원 환율: <span id="now-rate"></span></p>
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="inputGroup-sizing-default">주문자이름</span>
    </div>
    <input type="text" class="form-control" aria-label="Default" aria-describedby="inputGroup-sizing-default">
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <label class="input-group-text" for="inputGroupSelect01">수량</label>
    </div>
    <select class="custom-select" id="inputGroupSelect01">
        <option selected>수량을 선택하세요</option>
        <option value="1">하나</option>
        <option value="2">둘</option>
        <option value="3">셋</option>
    </select>
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="inputGroup-sizing-default">주소</span>
    </div>
    <input type="text" class="form-control" aria-label="Default" aria-describedby="inputGroup-sizing-default">
</div>

<div class="input-group mb-3">
    <div class="input-group-prepend">
        <span class="input-group-text" id="inputGroup-sizing-default">전화번호</span>
    </div>
    <input type="text" class="form-control" aria-label="Default" aria-describedby="inputGroup-sizing-default">
</div>

<button type="button" onclick="order()" class="btn-primary">주문하기</button>