body {
    background-color: #f4f6f9;
    font-family: Arial, sans-serif;
}

.container {
    max-width: 1100px;
}

.card {
    border: none;
    border-radius: 12px;
}

.card-header {
    font-weight: bold;
}

h1 {
    font-weight: 700;
}

.btn {
    border-radius: 8px;
}

.table {
    vertical-align: middle;
}