update empty string to null

src/css/app.scss

@@ -1,10 +1,18 @@
 // app global css in SCSS form
 .text-brand {
-  color: $green-14 !important;
+  color: #27A7E7 !important;
 }
   
 .bg-brand {
-  background: $green-14 !important;
+  background: #27A7E7 !important;
+}
+
+.text-brand2 {
+  color: #F36D3A !important;
+}
+  
+.bg-brand2 {
+  background: #F36D3A !important;
 }
 
 $base-width: 100;
@@ -65,3 +73,12 @@ body {
   border-bottom: 1px solid grey;
   margin: auto;
 }
+
+@font-face {
+  font-family: 'myFont';
+  src: url(./fonts/OpenSans-Regular.woff2);
+}
+
+button[disabled] {
+  background-color: $grey-5 !important;
+}