body {
    background-color: #f0f0f0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    padding: 0;
}
#page-wrapper {
    background-color: white;
    max-width: 1200px;
    width: 90%;
    min-height: 95vh;
    border-radius: 20px; 
    overflow: hidden; 
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: #333;
    color: white;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    padding: 10px 0;
}
footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
    z-index: 100;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
}
.carousel-container {
    overflow-x: scroll;
    white-space: nowrap; 
    padding: 10px 20px;
}
.carousel-track {
    display: flex;
    gap: 15px;
}
.subpage-card {
    flex: 0 0 150px; 
    height: 80px;
    background-color: #555;
    color: white;
    text-align: center;
    line-height: 80px;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s;
    text-decoration: none;
}
.subpage-card:hover {
    background-color: #777;
}
main {
    padding-top: 100px; 
    padding-bottom: 70px; 
    padding-left: 20px; 
    padding-right: 20px; 
    text-align: center;
}
.scroll-filler {
    height: 1000px;
    margin-top: 50px;
    background-color: #eee;
    padding: 20px;
    border-radius: 8px;
    text-align: left;
}