diff --git a/css-ass/style.css b/css-ass/style.css
index e69de29..fa85c10 100644
--- a/css-ass/style.css
+++ b/css-ass/style.css
@@ -0,0 +1,18 @@
+h1{
+    text-align: center;
+}
+.chapter-name{
+    font-weight: bold;
+}
+#content-box .horizontal-lists{
+    color: blue;
+}
+#content-box{
+    background-color: greenyellow;
+}
+#current-chapter{
+    color:red;
+}
+.chapter{
+    color:black;
+}
\ No newline at end of file
diff --git a/js-ass/script.js b/js-ass/script.js
index 0233287..76ada68 100644
--- a/js-ass/script.js
+++ b/js-ass/script.js
@@ -68,6 +68,16 @@ const checkGuess = () => {
   // TODO 
   // 입력값에 따라 , isLow, isHigh, Collect 등의 함수를 호출 
   // guess Count가 10이 될 경우 game over
+
+  if(userGuess > randomNumber){
+    isHigh();
+  }
+  else if(userGuess < randomNumber){
+    isLow();
+  }
+  else{
+    collect();
+  }
   guessCount++;
   guessField.value = '';
   guessField.focus();