diff --git a/styles/aurora.css b/styles/aurora.css
index 612eb0b..530678c 100644
--- a/styles/aurora.css
+++ b/styles/aurora.css
@@ -53,6 +53,10 @@ div {
   flex-direction: column;
 }
 
+.plain.unkown-file {
+  display: unset;
+}
+
 .plain div {
   white-space: pre-line;
 }
diff --git a/styles/dark.css b/styles/dark.css
index b510b8d..48ba1d5 100644
--- a/styles/dark.css
+++ b/styles/dark.css
@@ -53,6 +53,10 @@ div {
   flex-direction: column;
 }
 
+.plain.unkown-file {
+  display: unset;
+}
+
 .plain div {
   white-space: pre-line;
 }
diff --git a/styles/white.css b/styles/white.css
index fbced6f..8aa1556 100644
--- a/styles/white.css
+++ b/styles/white.css
@@ -53,6 +53,10 @@ div {
   flex-direction: column;
 }
 
+.plain.unkown-file {
+  display: unset;
+}
+
 .plain div {
   white-space: pre-line;
 }