diff --git a/doc/org/spot.css b/doc/org/spot.css
index 49ca7598dff4c3daaf9c313b91c1db18cc025225..c30fa03c3b41b1d92b2f9eeba7eb7abcf2b7480b 100644
--- a/doc/org/spot.css
+++ b/doc/org/spot.css
@@ -36,10 +36,10 @@ img{max-width:100%}
 }
 
 thead tr {background: #ffe35e;}
-tbody:nth-child(odd) tr:nth-child(even) {background: #fff0a6;}
-tbody:nth-child(odd) tr:nth-child(odd) {background: #fff7cf;}
-tbody:nth-child(even) tr:nth-child(even) {background: #fff3bc;}
-tbody:nth-child(even) tr:nth-child(odd) {background: #fffbe0;}
+#content tbody:nth-child(odd) tr:nth-child(even) {background: #fff0a6;}
+#content tbody:nth-child(odd) tr:nth-child(odd) {background: #fff7cf;}
+#content tbody:nth-child(even) tr:nth-child(even) {background: #fff3bc;}
+#content tbody:nth-child(even) tr:nth-child(odd) {background: #fffbe0;}
 .org-keyword{font-weight:bold}
 .org-builtin{font-weight:bold}
 .org-preprocessor{font-weight:bold}