<div class="calculator">
    <div id="radioBtn" class="btn-group" style="margin-bottom: 10px;">
        <a id="btcbtn" class="btn btn-primary btn-sm active" data-toggle="currency" data-title="BTC" style="margin-right: 10px;">Bitcoin</a>
        <a id="ethbtn" class="btn btn-primary btn-sm" data-toggle="currency" data-title="ETH">Ethereum</a>
    </div>
    <div class="form-group">
        <label for="amount_deposited" style="color: #000;">Amount Depositing:</label>
        <input type="text" class="form-control form-control-lg" id="amount_deposited" placeholder="Amount Deposited" style="color: #000;border: solid 1px #eee;border-radius: 15px;padding: 15px;text-align: center;/* width: auto; */font-size: 20px;">
    </div>
    <div class="form-group">
        <label for="amount_xsb" style="color: #000;">XSB Received:</label>
        <input type="text" class="form-control form-control-lg" id="amount_xsb" placeholder="XSB Received" style="color: #000;" readonly>
    </div>
</div>