/* General Styles */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
}

/* Header Styles */
.header {
    background-color: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

.navbar ul {
    list-style: none;
    padding: 0;
}

.navbar li {
    display: inline;
    margin: 0 15px;
}

.navbar a {
    color: #fff;
    text-decoration: none;
}

/* Active Link */
.navbar a.active {
    font-weight: bold;
}

/* Button Styles */
button {
    padding: 10px 20px;
    background-color: #5cb85c;
    border: none;
    color: white;
    cursor: pointer;
}

button:hover {
    background-color: #4cae4c;
}