body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    margin: 0;
    padding: 0;
}

nav {
    background: #222;
    padding: 12px;
}

nav a {
    color: white;
    margin-right: 15px;
    text-decoration: none;
}

.container {
    width: 80%;
    margin: 30px auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
}

input, button {
    display: block;
    margin: 10px 0;
    padding: 10px;
    width: 100%;
    max-width: 400px;
}

button {
    background: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}

.flash {
    padding: 10px;
    border-radius: 6px;
}

.flash.success {
    background: #d4edda;
}

.flash.danger {
    background: #f8d7da;
}

.flash.info {
    background: #d1ecf1;
}

body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    margin: 0;
}

nav {
    background: #222;
    padding: 12px;
}

nav a {
    color: white;
    margin-right: 15px;
    text-decoration: none;
}

.container {
    width: 70%;
    margin: 40px auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
}

input, button {
    display: block;
    margin: 10px 0;
    padding: 10px;
    width: 100%;
    max-width: 400px;
}

button, input[type="submit"] {
    background: #007bff;
    color: white;
    border: none;
}