feat: about, remove redundancy

- Remove redundant background option
- about tab UI improvements
- improve widget order UI.. to be completed later

src/components/modals/main/scss/modules/_tab-content.scss

@@ -93,3 +93,13 @@ table {
     }
   }
 }
+
+.donateButton {
+  @include modal-button(standard);
+  flex-flow: row !important;
+  text-decoration: none;
+  height: auto !important;
+  svg {
+    font-size: 1.5rem !important;
+  }
+}