diff --git a/index.html b/index.html
index 72133e4..a45023e 100644
--- a/index.html
+++ b/index.html
@@ -23,9 +23,25 @@
color: #21A4DF;
text-decoration: none;
}
+ * {
+ box-sizing: border-box;
+ }
+ .mainBox {
+ font-size: xxx-large;
+ float: left;
+ width: 50%;
+ padding: 50px;
+ height: 300px;
+ }
+
+