body {
    background-color: #f8f9fa;
}
.footer {
    position: relative;
    bottom: 0;
    width: 100%;
}
.card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}