remove unnecessary code & enhance gray color over the app

src/pages/login/page.tsx

@@ -12,7 +12,7 @@ import "react-phone-input-2/lib/style.css";
 import { useNavigate, useParams } from "react-router-dom";
 import { useSendOtpMutation } from "redux/api/auth";
 import { useAppSelector } from "redux/hooks";
-import { colors, DisabledColor, ProBlack1 } from "ThemeConstants";
+import { colors, DisabledColor, ProBlack1, ProGray1 } from "ThemeConstants";
 import styles from "./login.module.css";
 
 export default function LoginPage() {
@@ -69,7 +69,7 @@ export default function LoginPage() {
       </div>
 
       <ProTitle level={5}>{t("login.EnterYourNumber")} 👋</ProTitle>
-      <ProText style={{ fontSize: 12, color: "#3E3E3E" }}>
+      <ProText style={{ fontSize: 12, color: ProGray1 }}>
         {t("login.WeWillSendYouAWhatsAppMessageWithAOneTimeVerificationCode")}
       </ProText>
 
@@ -183,6 +183,7 @@ export default function LoginPage() {
               height: 50,
               border: "none",
               marginTop: "2rem",
+              boxShadow: "none",
             }}
             disabled={phone.length <= 3 || isLoading}
             htmlType="submit"