.flip{width:350px;background:#f5f5f5;margin:80px auto;padding:30px;border-radius:8px;box-shadow:0 0 20px rgba(0,0,0,0.2);}
h1{text-align:center;color:#333;margin-bottom:20px;}
.fli{display:block;margin:20px auto;width:80px;}
input[type="email"],input[type="password"]{width:94%;padding:12px;margin:10px 0;border:1px solid #ccc;border-radius:5px;}
button[type="submit"]{background:#007bff;color:#fff;padding:12px 20px;border:none;border-radius:5px;cursor:pointer;transition:background 0.3s ease;}
button[type="submit"]:hover{background-color:#0056b3;}
#bm{color:red;font-weight:bold;margin-top:15px;text-align:center;display:none;}