Edits styling of buttons in stepper component

- Changes font weight from 500 to bold
- Edits font color of next button when disabled

Author: JackieBinya

src/components/Stepper.vue

@@ -400,10 +400,17 @@ export default {
     .step-navigation .pagination-previous {
         font-family: Roboto Condensed,sans-serif;
         font-style: normal;
-        font-weight: 500;
         font-size: 18px;
         line-height: 24px;
     }
+    .step-navigation,
+    .step-navigation {
+        font-weight: 500;
+    }
+    .pagination-next,
+    .pagination-previous {
+        font-weight: bold;
+    }
     .step-navigation .pagination-previous {
         border: 2px solid #787878;
         color: #787878;
@@ -415,6 +422,7 @@ export default {
     }
     .pagination-next.disabled {
         background-color: #D8D8D8;
+        color: #787878 !important;
     }
     .pagination-next.disabled:hover,
     .pagination-next.disabled:active {