diff --git a/assets/zf-snap-php-debug-bar.css b/assets/zf-snap-php-debug-bar.css
index 1f387bb..9ec1278 100644
--- a/assets/zf-snap-php-debug-bar.css
+++ b/assets/zf-snap-php-debug-bar.css
@@ -10,6 +10,7 @@ a.phpdebugbar-restore-btn {
     background-color: rgba(246, 246, 246, 0.4);
     background-repeat: no-repeat;
     background-position: 9px 10px;
+    background-size: 31px auto;
     background-image: url('data:image/png;base64,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');
 }
 a.phpdebugbar-tab span.phpdebugbar-badge {
@@ -68,4 +69,4 @@ div.phpdebugbar-widgets-sqlqueries table.phpdebugbar-widgets-params th {
 }
 div.phpdebugbar-resize-handle {
     border-bottom: 0;
-}
\ No newline at end of file
+}