diff --git a/index.html b/index.html
index bcfb23c..50bb6d8 100644
--- a/index.html
+++ b/index.html
@@ -4,268 +4,282 @@
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UGround Homepage
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+ .sidebar:hover {
+ box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
+ }
+
+ .sidebar h4 {
+ font-size: 18px;
+ text-align: center;
+ margin-bottom: 15px;
+ color: #333;
+ }
+
+ .sidebar ul {
+ list-style-type: none;
+ padding: 0;
+ }
+
+ .sidebar ul li {
+ margin-bottom: 12px;
+ }
+
+ .sidebar ul li a {
+ text-decoration: none;
+ color: #555;
+ font-weight: bold;
+ font-size: 14px;
+ padding: 10px;
+ display: block;
+ transition: background-color 0.3s ease, color 0.3s ease;
+ border-radius: 5px;
+ }
+
+ .sidebar ul li a:hover {
+ background-color: #ff5722;
+ color: #ffffff;
+ }
+
+ @media (max-width: 1374px) {
+ .sidebar {
+ display: none;
+ }
+ }
+
+ table {
+ width: 90%;
+ margin: 20px auto;
+ border-collapse: collapse;
+ text-align: center; /* Horizontally center content */
+ vertical-align: middle; /* Vertically center content */
+ font-size: 14px;
+ }
+
+ th, td {
+ padding: 12px;
+ text-align: center; /* Horizontally center content */
+ vertical-align: middle; /* Vertically center content */
+ border: 1px solid #ddd;
+ }
+
+ th {
+ background-color: #f2f2f2;
+ text-align: center; /* Horizontally center content */
+ vertical-align: middle; /* Vertically center content */
+ font-weight: bold;
+ }
+
+ caption {
+ caption-side: top;
+ text-align: center;
+ font-weight: bold;
+ padding: 10px;
+ font-size: 20px;
+ }
+
+ /*tr:nth-child(even) {*/
+ /* background-color: #f9f9f9;*/
+ /* text-align: center; !* Horizontally center content *!*/
+ /* vertical-align: middle; !* Vertically center content *!*/
+ /*}*/
+ .highlight {
+ font-weight: bold;
+ color: #ff5722;
+ }
+
+ .hidden {
+ display: none;
+ }
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+ UGround Homepage
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