make app responsive

assets/css/components.scss

@@ -17,6 +17,8 @@
     -o-transform: scale(1.5);
     transform: scale(1.5);
     padding: 10px;
+    margin-left: auto;
+    margin-right: auto;
   }
 
   .title {
@@ -45,6 +47,10 @@
     @apply border border-primary-300 w-full max-w-2xl;
   }
 
+  .hr-light {
+    @apply border border-white w-full max-w-2xl;
+  }
+
   .link {
     @apply hover:underline;
     @apply transition-colors duration-500 ease-in-out;