body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
header {
    background-color: #2c3e50;
    color: white;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}
nav a {
    color: white;
    margin-right: 20px;
    text-decoration: none;
}
nav a:hover {
    text-decoration: underline;
}
.form-group {
    margin-bottom: 15px;
}
label {
    display: inline-block;
    width: 120px;
}
input, select {
    padding: 8px;
    margin: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}
button {
    background-color: #2c3e50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background-color: #1a252f;
}
footer {
    margin-top: 30px;
    text-align: center;
    color: #777;
}