add close button

add button to love-note div
style button in style.css

valentines-day-25/index.html

@@ -39,7 +39,9 @@
                  height="1000" width="1000"
                 >
             </div>
-            <div class="love-note"></div>
+            <div class="love-note">
+                <button class="close-note"></button>
+            </div>
             <div class="items">
                 <img class="baxter-thought"
                     width="100" height="100"

valentines-day-25/style/style.css

@@ -202,6 +202,20 @@ section {
     left: 25%;
 }
 
+.close-note {
+    height: 4vh;
+    width: 4vw;
+    background-color: #00000000;
+    border: none;
+    font-size: 2rem;
+    display: none;
+}
+
+.close-note::after {
+    display: inline-block;
+    content: "\00d7";
+}
+
 .items {
     display: flex;
     flex-direction: column;