body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

header {
    background-color: #333;
    color: #fff;
    padding: 15px;
}

header h1 {
    margin: 0;
    font-size: 24px;
}

nav {
    margin-top: 10px;
}

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

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 20px;
    min-height: calc(100vh - 120px);
}

footer {
    background-color: #eee;
    color: #333;
    text-align: center;
    padding: 10px;
    position: relative;
    bottom: 0;
    width: 100%;
}

.flashes {
    list-style: none;
    padding: 0;
    margin: 10px 0;
}

.flashes li {
    padding: 10px;
    margin-bottom: 5px;
    border-radius: 5px;
}

.flashes .success {
    background-color: #d4edda;
    color: #155724;
}

.flashes .danger {
    background-color: #f8d7da;
    color: #721c24;
}

.flashes .warning {
    background-color: #fff3cd;
    color: #856404;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    margin-bottom: 10px;
}

form p {
    margin-bottom: 15px;
}

button, input[type="submit"] {
    background-color: #333;
    color: #fff;
    border: none;
    padding: 8px 15px;
    cursor: pointer;
    border-radius: 4px;
}

button:hover, input[type="submit"]:hover {
    background-color: #555;
}