body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
}

.container {
    max-width: 800px;
    margin: auto;
}

.table {
    margin: auto;
    width: 100%;
}

.floating-help {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: white;
    font-size: 24px;
    width: 50px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    border-radius: 50%;
    text-decoration: none;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.floating-help:hover {
    background-color: #128C7E;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 1s ease-in-out;
}