body {
    background-color: #f4f6f9;
}

.card {
    border-radius: 12px;
}

.table th, .table td {
    vertical-align: middle;
}

.rank-1 {
    background-color: #fff3cd !important;
    font-weight: bold;
}

.rank-2 {
    background-color: #e2e3e5 !important;
}

.rank-3 {
    background-color: #f8d7da !important;
}