Fix blog table of contents styles

src/components/HomepageFeatures/styles.module.css

@@ -9,6 +9,18 @@
   padding-bottom: 1rem;
 }
 
+@media (max-width: 996px) {
+  .featureBlock {
+    --ifm-col-width: 50%;
+  }
+}
+
+@media (max-width: 500px) {
+  .featureBlock {
+    --ifm-col-width: 100%;
+  }
+}
+
 .featureSvg {
   height: 100px;
   width: 100px;