add subtext styles

Author: kenold

src/styles/cards/_base.scss

@@ -17,6 +17,18 @@
         flex: 1;
         margin: 15px 20px 15px;
     }
+    &__text--small,
+    &__subtext {
+        font-size: .875rem;
+    }
+    &__subtext {
+        font-weight: 500;
+        >span {
+            font-size: 90%;
+            font-weight: normal;
+        }
+    }
+    &
     &__icon-link {
         transition: all 0.3s ease;
         &:hover {