.frase-del-dia {
    background: linear-gradient(to right, #f0f4f8, #e0eafc);
    border-left: 5px solid #0073aa;
    padding: 15px;
    margin: 20px 0;
    font-size: 1.2em;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.frase-del-dia strong {
    display: block;
    margin-bottom: 5px;
}
.frase-del-dia em {
    color: #555;
}