Change remove and toggle buttons flow to column for stacking layout.

src/components/cards/card.css

@@ -125,7 +125,7 @@
     cursor: pointer;
     color: white;
     display: flex;
-    flex-direction: row;
+    flex-direction: column;
     justify-content: center;
     align-items: center;
     padding: 0.75rem;
@@ -139,7 +139,7 @@
     cursor: pointer;
     color: white;
     display: flex;
-    flex-direction: row;
+    flex-direction: column;
     justify-content: center;
     align-items: center;
     padding: 0.75rem;