body, html {
    height: 100%;
    font-family: "Lato", sans-serif;
    color: #777;
    line-height: 1.8;
    background-color: #f7f0e8; /* Light background color */
}

.main-content {
    max-width: 800px;
    margin: auto;
    padding: 20px;
    background-color: #ffffff;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.preview-message {
    padding: 20px;
    background-color: #f1f1f1;
    border-left: 4px solid #4CAF50; /* Green border */
    margin-bottom: 20px;
}

h1, h2 {
    text-align: center;
}

.center {
    text-align: center;
}

.btn {
    background-color: #4CAF50;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: auto;
}

.btn:hover {
    opacity: 0.8;
}

/* Navbar styling */
.navbar {
    overflow: hidden;
    background-color: #333;
}

.navbar a {
    float: left;
    display: block;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.navbar a:hover {
    background-color: #ddd;
    color: black;
}

.navbar a.active {
    background-color: #4CAF50;
    color: white;
}