diff --git "a/1\353\262\210 \352\263\274\354\240\234/1.css" "b/1\353\262\210 \352\263\274\354\240\234/1.css"
index 127ba49..5529379 100644
--- "a/1\353\262\210 \352\263\274\354\240\234/1.css"	
+++ "b/1\353\262\210 \352\263\274\354\240\234/1.css"	
@@ -5,7 +5,16 @@
     }
 .circle-container {
     background-color: beige;
-    /* 코드 작성 */
+    display: grid;  
+    /* 3x3 정렬을 위한 그리드 레이아웃 */
+    grid-template-columns: repeat(3,1fr); 
+    /* 3개 동일 너비 열  */
+    justify-items: center; 
+    /* 가로에서 가운데 정렬 */
+    align-content: center ;
+    /* 세로에서 가운데 정렬 */
+
+    
 }
 .circle {
     border-radius: 50%;
@@ -15,5 +24,10 @@
     margin-top: 1vw;
     font-weight: bold;
     font-size: 50px;
-    /* 코드 작성 */
+    display: flex; 
+    /* 텍스트 정렬 위한 플렉스 박스  */
+    justify-content: center;
+    align-items: center;
+
+   
 }
\ No newline at end of file
diff --git "a/2\353\262\210 \352\263\274\354\240\234/2.css" "b/2\353\262\210 \352\263\274\354\240\234/2.css"
index ab6d4d0..a898dd6 100644
--- "a/2\353\262\210 \352\263\274\354\240\234/2.css"	
+++ "b/2\353\262\210 \352\263\274\354\240\234/2.css"	
@@ -7,11 +7,12 @@ body {
 .container {
   height: 100%;
   display: flex;
-  flex-direction: column; 
-  /* 코드 작성 */
+  flex-direction: row;
+  
 }
 
 .box {
+  flex: 1;
   text-align: center;
   color: white;
   font-family: sans-serif;
@@ -20,7 +21,7 @@ body {
   display: flex;
   justify-content: center;
   align-items: center;
-  /* 코드 작성 */
+ 
 }
 
 .box-1 {
diff --git "a/3\353\262\210 \352\263\274\354\240\234/3.css" "b/3\353\262\210 \352\263\274\354\240\234/3.css"
index e309823..62ef848 100644
--- "a/3\353\262\210 \352\263\274\354\240\234/3.css"	
+++ "b/3\353\262\210 \352\263\274\354\240\234/3.css"	
@@ -1,25 +1,43 @@
-/* 아래 코드를 수정해주세요!! 수업 때 배운 grid를 최대한 활용해주세요 */
-
 #wrapper {
-    width: 700px;
-  }
-  .box {
-    padding: 15px;
-    color: #fff;
-    font-size: 20px;
-    font-weight: bold;
-    text-align: center;
-  }
+  width: 720px;
+  height: 480px;
+  display: grid;
+  grid-template-columns: 1fr 1fr 1fr;
+  grid-template-rows: 100px 240px;
+  gap: 0;
+}
+
+.box {
+  color: #fff;
+  font-size: 20px;
+  font-weight: bold;
+  text-align: center;
+  display: flex;
+  justify-content: center;
+  align-items: flex-start; 
+  padding-top: 15px;
+}
+
+.box1 {
+  background-color: #3689ff;
+  grid-column: 1 / 3;
+  grid-row: 1 / 2;
+}
+
+.box3 {
+  background-color: #ff9019;
+  grid-column: 3 / 4;
+  grid-row: 1 / 2;
+}
+
+.box2 {
+  background-color: #00cf12;
+  grid-column: 1 / 2;
+  grid-row: 2 / 3;
+}
 
-  .box1 {
-    background-color: #3689ff;
-  }
- .box2 {
-    background-color: #00cf12;
-  }
-  .box3 {
-    background-color: #ff9019;
- }
- .box4 {
-    background-color: #ffd000;
-  }
\ No newline at end of file
+.box4 {
+  background-color: #ffd000;
+  grid-column: 3 / 4;
+  grid-row: 2 / 3;
+}