diff --git a/Base/res/html/misc/nth-child.html b/Base/res/html/misc/nth-child.html
new file mode 100644
index 0000000000..c5e6492dcb
--- /dev/null
+++ b/Base/res/html/misc/nth-child.html
@@ -0,0 +1,140 @@
+
+
+
+ :nth-child test
+
+
+
+:nth-child(odd)
+
+
+:nth-child(2n+1) - same as odd
+
+
+:nth-child(even)
+
+
+:nth-child(2n) - same as even
+
+
+:nth-child(2)
+
+
+:nth-child(3n)
+
+
1
+
2
+
3 +
+
4
+
5
+
6 +
+
+
+:nth-child(3n+1)
+
+
1 +
+
2
+
3
+
4 +
+
5
+
6
+
+
+:nth-child(3n-1)
+
+
1
+
2 +
+
3
+
4
+
5 +
+
6
+
+
+:nth-child(-n+3)
+
+
+:nth-child(n)
+
+
+:nth-child(-n) - same as n
+
+
+:nth-child(+n) - same as n
+
+
+:nth-child(0n+1)
+
+
+:nth-child(n+2):nth-child(-n+4)
+
+
1
+
2 +
+
3 +
+
4 +
+
5
+
+
+
diff --git a/Base/res/html/misc/welcome.html b/Base/res/html/misc/welcome.html
index e3d3a1d939..4a6d107269 100644
--- a/Base/res/html/misc/welcome.html
+++ b/Base/res/html/misc/welcome.html
@@ -91,6 +91,7 @@ span#loadtime {
:first-child
:last-child
:only-child
+ :nth-child
:empty
:root
form