diff --git a/css/t7.css b/css/t7.css
index 56edaf3..92afabb 100644
--- a/css/t7.css
+++ b/css/t7.css
@@ -27,12 +27,6 @@ main {
     box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
 }
 
-h1, h2, h3 {
-    color: #34495e;
-    margin-bottom: 20px;
-    font-weight: 600;
-    text-align: center;
-}
 
 p {
     margin-bottom: 20px;
@@ -81,7 +75,7 @@ img {
 }
 
 table {
-    width: 100%;
+    width: 100;
     border-collapse: collapse;
     margin: 20px 0;
     border-radius: 5px;
diff --git a/css/t8.css b/css/t8.css
index 7d49839..1474841 100644
--- a/css/t8.css
+++ b/css/t8.css
@@ -1,17 +1,19 @@
 /* t8.css - HTML 5 */
 body {
     font-family: 'Roboto', sans-serif;
-    background-color: #f5f5f5;
+    background-color: #f4f4f9;
     color: #333;
     margin: 0;
     padding: 80px;
 }
 
-h1, h2, h3 {
-    color: #16a085;
-    text-align: center;
-    margin-bottom: 30px;
-    font-weight: 700;
+main {
+    max-width: 960px;
+    margin: 40px auto;
+    padding: 20px;
+    background-color: white;
+    border-radius: 8px;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
 }
 
 output{
@@ -82,3 +84,27 @@ a{
 a:visited{
     color: #e74c3c;
 }
+
+footer {
+    text-align: center;
+    padding: 10px ;    border-radius: 5px;
+
+    background-color: #e74c3c;
+    color: white;
+    margin-top: 40px;
+    font-size: 14px;
+}
+
+div.card {
+    background-color: white;
+    border-radius: 8px;
+    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+    padding: 20px;
+    margin: 20px 0;
+    transition: transform 0.2s ease, box-shadow 0.3s ease;
+}
+
+div.card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
+}
diff --git a/css/t9.css b/css/t9.css
index f9b78ce..0067eb8 100644
--- a/css/t9.css
+++ b/css/t9.css
@@ -1,15 +1,26 @@
 /* t9.css - XHTML 5 */
 body {
     font-family: 'Montserrat', sans-serif;
-    background-color: #ffffff;
+    background-color: #f4f4f9;
     color: #2c3e50;
     margin: 0;
+    padding: 0;
+    line-height: 1.6;
 }
 
 output{
     font-size: 50px;
 }
 
+main {
+    max-width: 960px;
+    margin: 40px auto;
+    padding: 20px;
+    background-color: white;
+    border-radius: 8px;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+}
+
 button {
     padding: 25px 50px;
     border: none;
@@ -47,7 +58,7 @@ img:hover {
 }
 
 table {
-    width: 85vw;
+    width: 100;
     border-collapse: collapse;
     border: 3px solid #ff9900;
     box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
@@ -101,7 +112,7 @@ div.score-button{
     color: white;
     font-weight: bolder;
     font-size: xx-large;
-    width: 75vw;
+    width: 100;
     border-radius: 10px;
     text-align: center;
     box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
@@ -109,4 +120,28 @@ div.score-button{
 }
 div.score-button:hover {
     box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
-}
\ No newline at end of file
+}
+
+footer {
+    text-align: center;
+    padding: 10px ;    border-radius: 5px;
+
+    background-color: #fda500;
+    color: white;
+    margin-top: 40px;
+    font-size: 14px;
+}
+
+div.card {
+    background-color: white;
+    border-radius: 8px;
+    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+    padding: 20px;
+    margin: 20px 0;
+    transition: transform 0.2s ease, box-shadow 0.3s ease;
+}
+
+div.card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
+}