diff --git a/03_source/mobile/src/pages/DemoReactCalculator/theme/variables.scss b/03_source/mobile/src/pages/DemoReactCalculator/theme/variables.scss
index 267c074..e69de29 100644
--- a/03_source/mobile/src/pages/DemoReactCalculator/theme/variables.scss
+++ b/03_source/mobile/src/pages/DemoReactCalculator/theme/variables.scss
@@ -1,83 +0,0 @@
-.demo-react-calculator {
-  /* Ionic Variables and Theming. For more info, please see:
-http://ionicframework.com/docs/theming/ */
-
-  /** Ionic CSS Variables **/
-  :root {
-    /** primary **/
-    --ion-color-primary: #3880ff;
-    --ion-color-primary-rgb: 56, 128, 255;
-    --ion-color-primary-contrast: #ffffff;
-    --ion-color-primary-contrast-rgb: 255, 255, 255;
-    --ion-color-primary-shade: #3171e0;
-    --ion-color-primary-tint: #4c8dff;
-
-    /** secondary **/
-    --ion-color-secondary: #3dc2ff;
-    --ion-color-secondary-rgb: 61, 194, 255;
-    --ion-color-secondary-contrast: #ffffff;
-    --ion-color-secondary-contrast-rgb: 255, 255, 255;
-    --ion-color-secondary-shade: #36abe0;
-    --ion-color-secondary-tint: #50c8ff;
-
-    /** tertiary **/
-    --ion-color-tertiary: #5260ff;
-    --ion-color-tertiary-rgb: 82, 96, 255;
-    --ion-color-tertiary-contrast: #ffffff;
-    --ion-color-tertiary-contrast-rgb: 255, 255, 255;
-    --ion-color-tertiary-shade: #4854e0;
-    --ion-color-tertiary-tint: #6370ff;
-
-    /** success **/
-    --ion-color-success: #2dd36f;
-    --ion-color-success-rgb: 45, 211, 111;
-    --ion-color-success-contrast: #ffffff;
-    --ion-color-success-contrast-rgb: 255, 255, 255;
-    --ion-color-success-shade: #28ba62;
-    --ion-color-success-tint: #42d77d;
-
-    /** warning **/
-    --ion-color-warning: #ffc409;
-    --ion-color-warning-rgb: 255, 196, 9;
-    --ion-color-warning-contrast: #000000;
-    --ion-color-warning-contrast-rgb: 0, 0, 0;
-    --ion-color-warning-shade: #e0ac08;
-    --ion-color-warning-tint: #ffca22;
-
-    /** danger **/
-    --ion-color-danger: #eb445a;
-    --ion-color-danger-rgb: 235, 68, 90;
-    --ion-color-danger-contrast: #ffffff;
-    --ion-color-danger-contrast-rgb: 255, 255, 255;
-    --ion-color-danger-shade: #cf3c4f;
-    --ion-color-danger-tint: #ed576b;
-
-    /** dark **/
-    --ion-color-dark: #222428;
-    --ion-color-dark-rgb: 34, 36, 40;
-    --ion-color-dark-contrast: #ffffff;
-    --ion-color-dark-contrast-rgb: 255, 255, 255;
-    --ion-color-dark-shade: #1e2023;
-    --ion-color-dark-tint: #383a3e;
-
-    /** medium **/
-    --ion-color-medium: #92949c;
-    --ion-color-medium-rgb: 146, 148, 156;
-    --ion-color-medium-contrast: #ffffff;
-    --ion-color-medium-contrast-rgb: 255, 255, 255;
-    --ion-color-medium-shade: #808289;
-    --ion-color-medium-tint: #9d9fa6;
-
-    /** light **/
-    --ion-color-light: #f4f5f8;
-    --ion-color-light-rgb: 244, 245, 248;
-    --ion-color-light-contrast: #000000;
-    --ion-color-light-contrast-rgb: 0, 0, 0;
-    --ion-color-light-shade: #d7d8da;
-    --ion-color-light-tint: #f5f6f9;
-  }
-
-  :root {
-    --blue-color: rgb(99, 158, 226);
-  }
-}