body {
    font-family: 'Roboto', sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
    color: #333;
}

.navbar {
    background-color: #333;
    overflow: hidden;
    padding: 10px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 20px;
    text-decoration: none;
    font-size: 18px;
    transition: background-color 0.3s ease;
}

.navbar a:hover {
    background-color: #575757;
    color: #fff;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    background: #fff;
    padding: 30px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1 {
    text-align: center;
    color: #333;
    margin-bottom: 30px;
    font-size: 26px;
}

.url-form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.url-form input[type="url"] {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

.url-form input[type="url"]:focus {
    border-color: #4CAF50;
    outline: none;
}

.url-form button {
    padding: 12px 20px;
    font-size: 18px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.url-form button:hover {
    background-color: #45a049;
}

.search-bar {
    margin-top: 30px;
}

.search-bar input[type="text"] {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

.success, .error {
    text-align: center;
    margin-bottom: 20px;
    padding: 10px;
    border-radius: 4px;
    color: white;
}

.success {
    background-color: #4CAF50;
}

.error {
    background-color: #f44336;
}

a {
    color: #4CAF50;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #388E3C;
}

button {
    padding: 6px 12px;
    font-size: 14px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    background-color: #f44336;
    color: white;
}

button:hover {
    background-color: #e53935;
}