diff --git a/src/admin/Bootstrap.Admin/wwwroot/css/theme.css b/src/admin/Bootstrap.Admin/wwwroot/css/theme.css
index 5fd40e51..45c744a6 100644
--- a/src/admin/Bootstrap.Admin/wwwroot/css/theme.css
+++ b/src/admin/Bootstrap.Admin/wwwroot/css/theme.css
@@ -951,3 +951,7 @@ label[for] {
     .custom-control-label:before, .custom-control-label::after {
         top: 3px;
     }
+
+.file-preview .file-preview-thumbnails {
+    display: flex;
+}
diff --git a/src/client/Bootstrap.Client/wwwroot/css/theme.css b/src/client/Bootstrap.Client/wwwroot/css/theme.css
index 5fd40e51..45c744a6 100644
--- a/src/client/Bootstrap.Client/wwwroot/css/theme.css
+++ b/src/client/Bootstrap.Client/wwwroot/css/theme.css
@@ -951,3 +951,7 @@ label[for] {
     .custom-control-label:before, .custom-control-label::after {
         top: 3px;
     }
+
+.file-preview .file-preview-thumbnails {
+    display: flex;
+}