body {
    background-color: #f8f9fa;
}

.card {
    border: none;
    border-radius: 15px;
}

.form-range::-webkit-slider-thumb {
    background-color: #007bff;
}

.form-range::-moz-range-thumb {
    background-color: #007bff;
}

.form-range::-ms-thumb {
    background-color: #007bff;
}

.table-hover tbody tr:hover {
    background-color: #e9ecef;
}

#ppfChart {
    max-width: 250px;
    max-height: 250px;
    margin: auto;
}