body {
    font-family: 'Roboto', sans-serif;
    background-color: #f0f2f5;
    color: #444;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

.container {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.header-img {
    max-width: 500px;
}

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

.btn-primary {
    background-color: #007bff; /* A nice blue color */
    border-color: #007bff;
    transition: background-color 0.3s ease;
}

.btn-primary:hover {
    background-color: #0056b3;
    border-color: #004085;
}

.table-responsive {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    overflow: hidden;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: #f8f9fa;
}

.thead-dark th {
    background-color: #343a40;
    color: #fff;
    border-color: #454d55;
}

.footer {
    background-color: #fff;
    border-top: 1px solid #e9ecef;
}