"Changed message-form background color to white and centered form ele…

…ments"

Explanation:
The code diff shows that there were changes made to the styles.css file. Specifically, there were modifications to the body and message-form

styles.css

@@ -54,12 +54,15 @@ body {
 .back-button:hover{
     background-color: black;
 }
+form{
+    justify-content: center;
+}
 .message-form {
     position: fixed;
     bottom: 0;
     left: 0;
     width: 100%;
-    background-color: #dedede;
+    background-color: #ffffff;
     padding: 10px;
     box-sizing: border-box;
     display: flex;