body {
    font-family: Arial, sans-serif;
    text-align: center;
    background-color: #f4f4f4;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    font-size: 36px;
    font-weight: bold;
    padding: 15px;
    margin: 10px;
    border-radius: 10px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
    text-transform: uppercase;
}

/* Estilos para diferenciar senhas normais e preferenciais */
.normal {
    background-color: #007bff;
    color: white;
}

.preferencial {
    background-color: #dc3545;
    color: white;
}

.senha-chamada {
    font-size: 2em;
    font-weight: bold;
    color: red;
    background-color: yellow;
    padding: 15px;
    text-align: center;
    border: 3px solid black;
    animation: piscar 1s infinite alternate;
}

@keyframes piscar {
    0% { opacity: 1; }
    100% { opacity: 0.5; }
}