diff --git a/client/src/auth/SignIn.jsx b/client/src/auth/SignIn.jsx
index 66506d7..41ad06a 100644
--- a/client/src/auth/SignIn.jsx
+++ b/client/src/auth/SignIn.jsx
@@ -4,23 +4,21 @@ export default function SignIn() {
 
   const [warningMsg, setwarningMsg] = useState('');
 
-  const handelFormSubmit = async (e) => {
-    e.preventDefault()
+  const handleFormSubmit = async (e) => {
+    e.preventDefault();
     setwarningMsg('');
-    const form = e.target
-
+    const form = e.target;
     const email = form.email.value;
     const password = form.password.value;
 
-    const userDetails = { email, password }
+    const userDetails = { email, password };
 
-    const response = await signin(userDetails)
-    if (response.signin) {
-      window.open('/', '_parent')
-      console.log(response)
-    }
-    else {
-      setwarningMsg(response.msg)
+    const response = await signin(userDetails);
+    if (response?.signin) {
+      window.open('/', '_parent');
+      console.log(response);
+    } else {
+      setwarningMsg(response?.msg || 'An error occurred');
     }
   }
 
@@ -31,111 +29,21 @@ export default function SignIn() {
         headers: {
           'Content-type': 'application/json'
         },
-        credentials:"include",
+        credentials: "include",
         body: JSON.stringify(userDetails)
-      })
-      const data = await response.json()
-      return data
+      });
+      return await response.json();
     } catch (error) {
-      console.log(error)
+      console.log(error);
+      return { signin: false, msg: 'Error signing in' };
     }
   }
 
   return (
     <>
       <div className="d-flex align-items-center py-4 bg-body-tertiary" style={{ height: '100vh' }}>
-        <svg xmlns="http://www.w3.org/2000/svg" className="d-none">
-          <symbol id="check2" viewBox="0 0 16 16">
-            <path d="M13.854 3.646a.5.5 0 0 1 0 .708l-7 7a.5.5 0 0 1-.708 0l-3.5-3.5a.5.5 0 1 1 .708-.708L6.5 10.293l6.646-6.647a.5.5 0 0 1 .708 0z"></path>
-          </symbol>
-          <symbol id="circle-half" viewBox="0 0 16 16">
-            <path d="M8 15A7 7 0 1 0 8 1v14zm0 1A8 8 0 1 1 8 0a8 8 0 0 1 0 16z"></path>
-          </symbol>
-          <symbol id="moon-stars-fill" viewBox="0 0 16 16">
-            <path d="M6 .278a.768.768 0 0 1 .08.858 7.208 7.208 0 0 0-.878 3.46c0 4.021 3.278 7.277 7.318 7.277.527 0 1.04-.055 1.533-.16a.787.787 0 0 1 .81.316.733.733 0 0 1-.031.893A8.349 8.349 0 0 1 8.344 16C3.734 16 0 12.286 0 7.71 0 4.266 2.114 1.312 5.124.06A.752.752 0 0 1 6 .278z"></path>
-            <path d="M10.794 3.148a.217.217 0 0 1 .412 0l.387 1.162c.173.518.579.924 1.097 1.097l1.162.387a.217.217 0 0 1 0 .412l-1.162.387a1.734 1.734 0 0 0-1.097 1.097l-.387 1.162a.217.217 0 0 1-.412 0l-.387-1.162A1.734 1.734 0 0 0 9.31 6.593l-1.162-.387a.217.217 0 0 1 0-.412l1.162-.387a1.734 1.734 0 0 0 1.097-1.097l.387-1.162zM13.863.099a.145.145 0 0 1 .274 0l.258.774c.115.346.386.617.732.732l.774.258a.145.145 0 0 1 0 .274l-.774.258a1.156 1.156 0 0 0-.732.732l-.258.774a.145.145 0 0 1-.274 0l-.258-.774a1.156 1.156 0 0 0-.732-.732l-.774-.258a.145.145 0 0 1 0-.274l.774-.258c.346-.115.617-.386.732-.732L13.863.1z"></path>
-          </symbol>
-          <symbol id="sun-fill" viewBox="0 0 16 16">
-            <path d="M8 12a4 4 0 1 0 0-8 4 4 0 0 0 0 8zM8 0a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 0zm0 13a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-1 0v-2A.5.5 0 0 1 8 13zm8-5a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2a.5.5 0 0 1 .5.5zM3 8a.5.5 0 0 1-.5.5h-2a.5.5 0 0 1 0-1h2A.5.5 0 0 1 3 8zm10.657-5.657a.5.5 0 0 1 0 .707l-1.414 1.415a.5.5 0 1 1-.707-.708l1.414-1.414a.5.5 0 0 1 .707 0zm-9.193 9.193a.5.5 0 0 1 0 .707L3.05 13.657a.5.5 0 0 1-.707-.707l1.414-1.414a.5.5 0 0 1 .707 0zm9.193 2.121a.5.5 0 0 1-.707 0l-1.414-1.414a.5.5 0 0 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .707zM4.464 4.465a.5.5 0 0 1-.707 0L2.343 3.05a.5.5 0 1 1 .707-.707l1.414 1.414a.5.5 0 0 1 0 .708z"></path>
-          </symbol>
-        </svg>
-
-        <div className="dropdown position-fixed bottom-0 end-0 mb-3 me-3 bd-mode-toggle">
-          <button
-            className="btn btn-bd-primary py-2 dropdown-toggle d-flex align-items-center"
-            id="bd-theme"
-            type="button"
-            aria-expanded="false"
-            data-bs-toggle="dropdown"
-            aria-label="Toggle theme (auto)"
-          >
-            <svg className="bi my-1 theme-icon-active" width="1em" height="1em">
-              <use href="#circle-half"></use>
-            </svg>
-            <span className="visually-hidden" id="bd-theme-text">
-              Toggle theme
-            </span>
-          </button>
-          <ul
-            className="dropdown-menu dropdown-menu-end shadow"
-            aria-labelledby="bd-theme-text"
-          >
-            <li>
-              <button
-                type="button"
-                className="dropdown-item d-flex align-items-center"
-                data-bs-theme-value="light"
-                aria-pressed="false"
-              >
-                <svg className="bi me-2 opacity-50" width="1em" height="1em">
-                  <use href="#sun-fill"></use>
-                </svg>
-                Light
-                <svg className="bi ms-auto d-none" width="1em" height="1em">
-                  <use href="#check2"></use>
-                </svg>
-              </button>
-            </li>
-            <li>
-              <button
-                type="button"
-                className="dropdown-item d-flex align-items-center"
-                data-bs-theme-value="dark"
-                aria-pressed="false"
-              >
-                <svg className="bi me-2 opacity-50" width="1em" height="1em">
-                  <use href="#moon-stars-fill"></use>
-                </svg>
-                Dark
-                <svg className="bi ms-auto d-none" width="1em" height="1em">
-                  <use href="#check2"></use>
-                </svg>
-              </button>
-            </li>
-            <li>
-              <button
-                type="button"
-                className="dropdown-item d-flex align-items-center active"
-                data-bs-theme-value="auto"
-                aria-pressed="true"
-              >
-                <svg className="bi me-2 opacity-50" width="1em" height="1em">
-                  <use href="#circle-half"></use>
-                </svg>
-                Auto
-                <svg className="bi ms-auto d-none" width="1em" height="1em">
-                  <use href="#check2"></use>
-                </svg>
-              </button>
-            </li>
-          </ul>
-        </div>
-
         <main className="form-signin m-auto rounded-4" style={{ width: "20rem", backgroundColor: "white", padding: "25px" }}>
-
-
-          {/* form */}
-          <form onSubmit={handelFormSubmit}>
+          <form onSubmit={handleFormSubmit}>
             <h1 className="h3 mb-3 fw-normal">Welcome back !</h1>
 
             <div className="form-floating mb-2">
@@ -163,7 +71,7 @@ export default function SignIn() {
             {/* warning message */}
             <div className="text-danger m-2" style={{ height: '24px', textAlign: "center" }}>
               {warningMsg} &nbsp;
-              {(warningMsg==="User not exists") && <a href="/signup">Sign-up</a>}
+              {warningMsg?.toLowerCase() === "user not exists" && <a href="/signup">Sign-up</a>}
             </div>
 
             <div className="form-check text-start my-3">
@@ -183,12 +91,6 @@ export default function SignIn() {
 
           </form>
         </main>
-
-        <script
-          src="/docs/5.3/dist/js/bootstrap.bundle.min.js"
-          integrity="sha384-YvpcrYf0tY3lHB60NNkmXc5s9fDVZLESaAA55NDzOxhy9GkcIdslK1eN7N6jIeHz"
-          crossOrigin="anonymous"
-        ></script>
       </div>
     </>
   );