body {
    font-family: 'Open Sans', sans-serif;
}

.presenter-name {
    font-family: 'Roboto', sans-serif;
    font-weight: bold;
    font-size: 18px;
    color: #333;
}

.paper-title {
    font-family: 'Open Sans', sans-serif;
    font-weight: normal;
    font-size: 16px;
    color: #007BFF;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    padding: 0;
}

.presenter-university {
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    font-size: 14px;
    color: #777;
}

.paper-abstract {
    display: none;
    font-size: 14px;
    margin-top: 10px;
    color: #555;
}

/* Responsive Design */
@media (max-width: 768px) {
    .presenter-name {
        font-size: 16px;
    }

    .paper-title {
        font-size: 14px;
    }

    .presenter-university {
        font-size: 12px;
    }

    .paper-abstract {
        font-size: 12px;
    }
}