body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    background: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

header {
    background: #ffffff;
    text-align: center;
    padding: 40px 20px;
    border-bottom: 1px solid #ddd;
}

header h1 {
    margin: 0;
    font-size: 2.4em;
}

nav {
    margin-top: 15px;
}

nav a {
    margin: 0 15px;
    text-decoration: none;
    color: #444;
    font-weight: 500;
}

nav a:hover {
    color: #000;
}

main {
    max-width: 900px;
    margin: 40px auto;
    background: #ffffff;
    padding: 30px;
    border-radius: 6px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
}

h2 {
    margin-top: 30px;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
}

img {
    display: block;
    margin: 25px auto;
    max-width: 100%;
    border-radius: 4px;
}

form label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

input, select, textarea {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

input[type="submit"] {
    width: auto;
    margin-top: 20px;
    background: #222;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}

input[type="submit"]:hover {
    background: #444;
}

footer {
    text-align: center;
    padding: 20px;
    background: #ffffff;
    border-top: 1px solid #ddd;
    margin-top: 40px;
}

footer a {
    color: #444;
    text-decoration: none;
}

.vote-option {
    margin-bottom: 40px;
    text-align: center;
}

.vote-option label {
    margin-top: 10px;
    display: block;
    font-weight: bold;
}

/* Subtle Image Hover Effect */

img {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

img:hover {
    transform: scale(1.03);
    box-shadow: 0 12px 25px rgba(0,0,0,0.15);
}

/* Footer Dividers */

footer {
    font-size: 0.9em;
}

.divider {
    margin: 0 10px;
    color: #bbb;
}

/* Course Homepage Button */

.course-home-wrapper {
    text-align: center;
    margin: 40px 0 20px;
}

.course-home-btn {
    display: inline-block;
    padding: 12px 22px;
    background-color: #222;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background 0.3s ease;
}

.course-home-btn:hover {
    background-color: #444;
}