body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 20px;
}

h1, h2, h3 {
    color: #343a40;
}

.table {
    width: 100%;
    margin-bottom: 1rem;
    color: #212529;
}

.table th, .table td {
    padding: 0.75rem;
    vertical-align: top;
    border-top: 1px solid #dee2e6;
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid #dee2e6;
}

.btn {
    margin: 5px;
}

.dropdown {
    margin: 5px;
}

.form-control {
    margin-bottom: 10px;
}

.alert {
    margin-top: 20px;
}