diff --git a/.changeset/stale-drinks-arrive.md b/.changeset/stale-drinks-arrive.md
new file mode 100644
index 0000000000..07c3c2f114
--- /dev/null
+++ b/.changeset/stale-drinks-arrive.md
@@ -0,0 +1,6 @@
+---
+"@primer/css": patch
+---
+
+Increase specificy for Overlay styles as they relate to the backdrop and positioning options
+- If a Dialog opens a second Dialog, each Dialog properties should be contained to its own scope
diff --git a/src/overlay/overlay.scss b/src/overlay/overlay.scss
index 43861487e5..702ba1af2b 100644
--- a/src/overlay/overlay.scss
+++ b/src/overlay/overlay.scss
@@ -345,7 +345,7 @@ $primer-borderRadius-large: 0.75rem;
     align-items: center;
     justify-content: left;
 
-    .Overlay#{$responsiveVariant} {
+    > .Overlay#{$responsiveVariant} {
       height: 100vh;
       max-height: unset;
       border-radius: $primer-borderRadius-large;
@@ -362,7 +362,7 @@ $primer-borderRadius-large: 0.75rem;
     align-items: center;
     justify-content: right;
 
-    .Overlay#{$responsiveVariant} {
+    > .Overlay#{$responsiveVariant} {
       height: 100vh;
       max-height: unset;
       border-radius: $primer-borderRadius-large;
@@ -379,7 +379,7 @@ $primer-borderRadius-large: 0.75rem;
     align-items: end;
     justify-content: center;
 
-    .Overlay#{$responsiveVariant} {
+    > .Overlay#{$responsiveVariant} {
       width: 100vw;
       height: auto;
       max-height: calc(100vh - 2rem);
@@ -397,7 +397,7 @@ $primer-borderRadius-large: 0.75rem;
     align-items: start;
     justify-content: center;
 
-    .Overlay#{$responsiveVariant} {
+    > .Overlay#{$responsiveVariant} {
       border-radius: $primer-borderRadius-large;
       border-top-left-radius: 0;
       border-top-right-radius: 0;