some style improved

src/app/app.scss

@@ -2,6 +2,7 @@ $eiru-color: #3f50b4;
 $button-color: #fbc02d;
 $header-font-color: #fff;
 $selected-color: rgba(211, 211, 211, 0.5);
+$disabled-text: #d3d3d3;
 
 ion-toolbar > div, ion-navbar > div {
     background: $eiru-color !important;
@@ -29,7 +30,7 @@ ion-list > div > ion-list-header {
 
 ion-footer > p {
     font-size: 8pt;
-    color: #d3d3d3;
+    color: $disabled-text;
 }
 
 p {
@@ -58,7 +59,7 @@ p {
 
 .no-items > h2 {
     font-size: 12pt;
-    color: #d3d3d3;
+    color: $disabled-text;
 }
 
 // body.menu-open .side-menu-open {

src/pages/order/order.scss

@@ -82,7 +82,11 @@ page-order {
 
     .empty-cart > div > div > ion-label > h2 {
         font-size: 10pt;
-        color: #d3d3d3;
+        color: $disabled-text;
         padding-bottom: 25px;
     }
+
+    .empty-cart > div > div > ion-label > button {
+        background: $eiru-color;
+    }
 }