body {
    background-color: #f8f9fa;
    padding-bottom: 40px;
}

.card {
    margin-bottom: 20px;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.card-header {
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
}

.footer {
    position: relative;
    bottom: 0;
    width: 100%;
    line-height: 30px;
}