Show icon funding widget mobile (#4211)

* edited code to still display money icon on funding widget when screen is small

* adapted CSS styling to show icon on smaller screens

* fixed stylint issue

app/components/calls_to_action/simple_component.html.erb

@@ -1,4 +1,4 @@
-<%= tag.div(class: %w[call-to-action call-to-action--simple] << responsive_classes) do %>
+<%= tag.div(class: %w[call-to-action] << responsive_classes) do %>
   <%= icon %>
 
   <div class="call-to-action__content">

app/webpacker/styles/call-to-action.scss

@@ -9,8 +9,6 @@
   }
 
   @include mq($until: tablet) {
-    flex-direction: column;
-
   &--simple {
       picture {
         display: none;