diff --git a/docs/_templates/theme_overrides.css b/docs/_templates/theme_overrides.css
new file mode 100644
index 0000000000..ab16bba14c
--- /dev/null
+++ b/docs/_templates/theme_overrides.css
@@ -0,0 +1,16 @@
+/* Fix missing line-wrapping with Sphinx-RTD theme */
+/* https://github.com/platformio/platformio-docs/issues/5 */
+
+/* override table width restrictions */
+@media screen and (min-width: 767px) {
+
+    .wy-table-responsive table td {
+	       /* !important prevents the common CSS stylesheets from overriding
+          this as on RTD they are loaded after this stylesheet */
+	white-space: normal !important;
+    }
+
+    .wy-table-responsive {
+	overflow: visible !important;
+    }
+}
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