Real Estate Search Header.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Real Estate Search Header</title>
    <style>
        /* Basic styles */
        body {
            font-family: 'Arial', sans-serif;
            margin: 0;
        }

        /* Header styles */
        .header {
            background-color: #f0f0f0; /* Light background for the header */
            padding: 20px; 
            display: flex;
            justify-content: space-around; /* Evenly distribute elements */
            align-items: center; /* Vertically align elements */
        }

        /* Logo styles */
        .logo {
            font-size: 24px;
            font-weight: bold;
        }

        /* Search form styles */
        .search-form {
            display: flex;
        }

        .search-form input[type="text"] {
            padding: 8px;
            border: 1px solid #ccc;
            border-radius: 5px 0 0 5px; /* Rounded corners on left side */
        }

        .search-form button {
            padding: 8px 12px;
            background-color: #4CAF50; /* Example search button color */
            color: white;
            border: none;
            border-radius: 0 5px 5px 0; /* Rounded corners on right side */
            cursor: pointer; 
        }

        /* Navigation links */
        .nav-links ul {
            list-style: none; 
            margin: 0;
            padding: 0;
            display: flex;
        }

        .nav-links li {
            margin-left: 20px; 
        }

        .nav-links a {
            text-decoration: none; 
            color: #333; 
        }
    </style>
</head>
<body>
    <header class="header">
        <div class="logo">
            Your Logo
        </div>
        <div class="search-form">
            <input type="text" placeholder="Search city, neighborhood...">
            <button type="submit">Search</button>
        </div>
        <nav class="nav-links">
            <ul>
                <li><a href="#">Buy</a></li>
                <li><a href="#">Rent</a></li>
                <li><a href="#">Sell</a></li>
                <li><a href="#">About</a></li>
            </ul>
        </nav>
    </header>
</body>
</html>