diff --git a/styles/global.css b/styles/global.css
index 1075a73..bd1a45c 100644
--- a/styles/global.css
+++ b/styles/global.css
@@ -510,10 +510,29 @@ video {
   height: auto;
 }
 
+.bg-gray-300 {
+  --tw-bg-opacity: 1;
+  background-color: rgba(209, 213, 219, var(--tw-bg-opacity));
+}
+
 .table {
   display: table;
 }
 
+.contents {
+  display: contents;
+}
+
+.text-4xl {
+  font-size: 2.25rem;
+  line-height: 2.5rem;
+}
+
+.py-10 {
+  padding-top: 2.5rem;
+  padding-bottom: 2.5rem;
+}
+
 * {
   --tw-shadow: 0 0 #0000;
 }
@@ -527,6 +546,10 @@ video {
   --tw-ring-shadow: 0 0 #0000;
 }
 
+.text-center {
+  text-align: center;
+}
+
 @-webkit-keyframes spin {
   to {
     transform: rotate(360deg);