diff --git a/Libraries/LibWeb/CSS/Default.css b/Libraries/LibWeb/CSS/Default.css
index 18941f090fd..d88244cf59b 100644
--- a/Libraries/LibWeb/CSS/Default.css
+++ b/Libraries/LibWeb/CSS/Default.css
@@ -830,6 +830,7 @@ details[open] > summary:first-of-type {
marquee {
display: inline-block;
text-align: initial;
+ overflow: hidden !important;
}
/* 15.5.13 The meter element
diff --git a/Tests/LibWeb/Text/expected/wpt-import/html/obsolete/requirements-for-implementations/the-marquee-element-0/marquee-overflow.txt b/Tests/LibWeb/Text/expected/wpt-import/html/obsolete/requirements-for-implementations/the-marquee-element-0/marquee-overflow.txt
new file mode 100644
index 00000000000..8f74d731a76
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/wpt-import/html/obsolete/requirements-for-implementations/the-marquee-element-0/marquee-overflow.txt
@@ -0,0 +1,6 @@
+Harness status: OK
+
+Found 1 tests
+
+1 Pass
+Pass Marquee should have overflow: hidden !important in the UA stylesheet
\ No newline at end of file
diff --git a/Tests/LibWeb/Text/input/wpt-import/html/obsolete/requirements-for-implementations/the-marquee-element-0/marquee-overflow.html b/Tests/LibWeb/Text/input/wpt-import/html/obsolete/requirements-for-implementations/the-marquee-element-0/marquee-overflow.html
new file mode 100644
index 00000000000..6ecfb066bf0
--- /dev/null
+++ b/Tests/LibWeb/Text/input/wpt-import/html/obsolete/requirements-for-implementations/the-marquee-element-0/marquee-overflow.html
@@ -0,0 +1,18 @@
+
+
+Marquee forces overflow: hidden
+
+
+
+
+
+
+
+
+