diff --git a/assets/css/screen.css b/assets/css/screen.css
index 9b561ed4..00baa0ff 100644
--- a/assets/css/screen.css
+++ b/assets/css/screen.css
@@ -499,6 +499,30 @@ hr {
     line-height: 1.7;
 }
 
+.gh-content table:not(.gist table) {
+    display: table;
+    width: 100%;
+    white-space: wrap;
+    table-layout: fixed;
+}
+
+.gh-content table:not(.gist table) td, .gh-content table:not(.gist table) th {
+    border: 0;
+    border-left: 1px solid var(--color-light-gray);
+}
+
+.gh-content table:not(.gist table) td:first-child {
+    border: 0;
+    border-right: 1px solid var(--color-light-gray);
+    padding-right: 20px;
+    background: 0;
+}
+
+.gh-content table:not(.gist table) td:last-child {
+    padding-left: 20px;
+    background: 0;
+}
+
 :is(.post-template, .page-template) .no-image .gh-content {
     margin-top: clamp(4rem, 2.14vw + 2.97rem, 6.4rem);
 }