body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    width: 300px;
    margin: 60px auto;
    background: white;
    padding: 20px;
    text-align: center;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

input[type="text"],
input[type="password"] {
    width: 90%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    border: 1px solid #ccc;
}

button {
    width: 100%;
    padding: 10px;
    background-color: #06b05b;
    border: none;
    color: white;
    font-size: 16px;
    border-radius: 5px;
}

button:hover {
    background-color: #34c382;
}

.flash {
    color: red;
    margin-top: 10px;
}