fix id mycash

HW12/index.html

@@ -21,7 +21,8 @@
       <input type="number" id="quantity">
       <button id="buy">Купить</button>
       <div class="wrapper">
-        <div id='myCash' class='myCash'></div>
+        <div id='myCash' class='myCash'>
+        </div>
         <div id='products' class='products'></div>
         <div id='kassa' class="kassa"></div>
       </div>