style(myopencre): move container spacing to SCSS

Author: PRAteek-singHWY

application/frontend/src/pages/MyOpenCRE/MyOpenCRE.scss

@@ -1,3 +1,7 @@
+.myopencre-container {
+  margin-top: 3rem;
+}
+
 .myopencre-section {
   margin-top: 2rem;
 }
@@ -8,4 +12,4 @@
 
 .myopencre-disabled {
   opacity: 0.7;
-}
+}

application/frontend/src/pages/MyOpenCRE/MyOpenCRE.tsx

@@ -153,7 +153,7 @@ export const MyOpenCRE = () => {
   /* ------------------ UI ------------------ */
 
   return (
-    <Container style={{ marginTop: '3rem' }}>
+    <Container className="myopencre-container">
       <Header as="h1">MyOpenCRE</Header>
 
       <p>