[STYLE] styles.css: add top margin on activate/deactivate-all buttons

assets/styles.css

@@ -371,10 +371,11 @@ h1.custom-title {
     text-transform: uppercase !important;
 }
 
-/* Default secondary Streamlit button */
-/* [data-testid="stBaseButton-secondary"] {
-    border-radius: 3px;
-} */
+.st-key-btn-deactivate-all,
+.st-key-btn-activate-all
+ {
+    margin-top: 10px;
+}
 
 /* ── 10. Form elements ──────────────────────────────────────── */