diff --git a/CSS-week1-HW1/css/style.css b/CSS-week1-HW1/css/style.css
index 40239a90..f50d2c36 100644
--- a/CSS-week1-HW1/css/style.css
+++ b/CSS-week1-HW1/css/style.css
@@ -1,4 +1,36 @@
 body{
   font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
   font-size: 150%;
-}
\ No newline at end of file
+}
+
+header{
+    background-color: #b3d9ff;
+}
+
+nav{
+    background-color: #d9d9d9;
+}
+
+main{
+    background-color: #ffffff;
+    font-size: 110%;
+}
+
+footer{
+    background-color: #b3d9ff;
+}
+
+li{
+    display: inline-block;
+    width: 180px;
+}
+
+h1{
+    text-align: center;
+    font-family: Georgia, serif;
+    color: #003366;
+}
+
+p{
+    line-height: 1.6;
+}