diff --git a/make_post_sell/static/css/common.css b/make_post_sell/static/css/common.css
index 55ef6ad..f74871e 100644
--- a/make_post_sell/static/css/common.css
+++ b/make_post_sell/static/css/common.css
@@ -292,6 +292,11 @@ a.mps-button-green,
 button.mps-button-green {
     background-color: #a3c765;
 }
+a.mps-button-red,
+button.mps-button-red {
+    background-color: #bc2131;
+    opacity: 0.8;
+}
 
 a.product-edit-button {
     background-color: #98b6fa;
diff --git a/make_post_sell/templates/crypto_checkout.j2 b/make_post_sell/templates/crypto_checkout.j2
index 9e90f36..6136b24 100644
--- a/make_post_sell/templates/crypto_checkout.j2
+++ b/make_post_sell/templates/crypto_checkout.j2
@@ -19,11 +19,11 @@
     <pre id="crypto-address" style="white-space:pre-wrap;word-wrap:break-word;">{{ address }}</pre>
 
     <div style="display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin: 8px 0;">
-      <button class="mps-button" id="copy-amt" style="background:#4c4; grid-row: 1;">Copy Amount</button>
-      <button class="mps-button" id="copy-addr" style="background:#4c4; grid-row: 1;">Copy Address</button>
-      <a class="mps-button" href="{{ wallet_uri_scheme }}:{{ address }}?{% if coin_symbol == 'XMR' %}tx_amount{% else %}amount{% endif %}={{ amount_fmt }}" target="_blank" rel="noopener" style="background:#4c4; grid-row: 1;">Open in Wallet</a>
+      <button class="mps-button mps-button-green" id="copy-amt" style="grid-row: 1;">Copy Amount</button>
+      <button class="mps-button mps-button-green" id="copy-addr" style="grid-row: 1;">Copy Address</button>
+      <a class="mps-button mps-button-green" href="{{ wallet_uri_scheme }}:{{ address }}?{% if coin_symbol == 'XMR' %}tx_amount{% else %}amount{% endif %}={{ amount_fmt }}" target="_blank" rel="noopener" style="grid-row: 1;">Open in Wallet</a>
       {% if status == 'pending' %}
-      <button id="cancel-btn" onclick="cancelQuote('{{ payment_id }}')" class="mps-button" style="background:#dc3545; border:none; cursor:pointer; grid-column: 1 / -1; grid-row: 2;">Cancel Quote</button>
+      <button id="cancel-btn" onclick="cancelQuote('{{ payment_id }}')" class="mps-button mps-button-red" style="grid-column: 1 / -1; grid-row: 2;">Cancel Quote</button>
       {% endif %}
     </div>
 
@@ -200,7 +200,7 @@
           const invoiceLink = document.createElement('a');
           invoiceLink.href = invoiceUrl || '/u/purchases';
           invoiceLink.className = 'mps-button';
-          invoiceLink.style.background = '#17a2b8';
+          invoiceLink.classList.add('mps-button-blue');
           invoiceLink.style.textAlign = 'center';
           invoiceLink.style.display = 'block';
           invoiceLink.textContent = invoiceUrl ? 'View Invoice' : 'View Purchases';
diff --git a/make_post_sell/views/crypto.py b/make_post_sell/views/crypto.py
index af4478e..122d3f9 100644
--- a/make_post_sell/views/crypto.py
+++ b/make_post_sell/views/crypto.py
@@ -584,7 +584,7 @@ def crypto_quote(request):
             * 2
         )
 
-    amount_crypto_base = amount_crypto_with_fee - fee_buffer
+    amount_crypto_base = amount_crypto_with_fee - float(fee_buffer)
 
     return {
         "cart": None,  # Quote page doesn't need cart context