fix typos and make cookie secure

index.html

@@ -6,6 +6,19 @@
 
     <title>BezahlBrudi</title>
 
+    <style>
+        /* Chrome, Safari, Edge, Opera */
+        input::-webkit-outer-spin-button,
+        input::-webkit-inner-spin-button {
+            -webkit-appearance: none;
+            margin: 0;
+        }
+
+        /* Firefox */
+        input[type=number] {
+            -moz-appearance: textfield;
+        }
+    </style>
     <link rel="stylesheet" href="css/bulma.min.css">
     <script src="js/qr-creator.min.js"></script>
 </head>
@@ -49,10 +62,9 @@
 
                 <div id="amount" class="field">
                     <label for="input-amount" class="label">Amount</label>
-                    <div class="control has-icons-left has-icons-right">
+                    <div class="control has-icons-left">
                         <input id="input-amount" class="input" type="number" min="0.00" step="0.01" value="0.00" pattern="[0-9]+.[0-9]{2}" required>
-                        <span class="icon is-small is-left">&euro;</span>
-                        <span class="icon is-small is-right"></span>
+                        <span class="icon is-small is-left"><b>&euro;</b></span>
                     </div>
                 </div>