cleaned css and html

Co-authored-by: Arthur Lu <learthurgo@gmail.com>

source/static/homepage.css

@@ -78,7 +78,7 @@ img#create-btn {
 .review-container > div {
 	background-color: #f1f1f1;
 	text-align: center;
-}}
+}
 
 img#create-btn {
 	position: relative;