Files.app: Minor updates on font size, spacing, and color.

ui/file_manager/file_manager/foreground/css/file_manager.css

Index: ui/file_manager/file_manager/foreground/css/file_manager.css
diff --git a/ui/file_manager/file_manager/foreground/css/file_manager.css b/ui/file_manager/file_manager/foreground/css/file_manager.css
index 7c8eb6ef35dab5c425da8cd08dfcdfcace129163..11feb496b0d25918d43ff4cf71b3f1156bea41cb 100644
--- a/ui/file_manager/file_manager/foreground/css/file_manager.css
+++ b/ui/file_manager/file_manager/foreground/css/file_manager.css
@@ -711,7 +711,10 @@ html[dir='rtl'] #search-box .clear {
   color: white;
 }
 
-.dialog-footer .secondary,
+.dialog-footer .secondary {
+  color: rgb(100, 100, 100);
+}
+
 .dialog-footer .secondary:hover {
   color: rgb(33, 150, 243);
 }
@@ -809,6 +812,8 @@ body.check-select .breadcrumbs {
   box-sizing: border-box;
   cursor: pointer;
   flex: none;
+  font-size: 14px;
+  font-weight: bold;
   margin-left: 0;
   margin-right: 0;
   min-width: 0;