.gsa-ad {
    border: 1px solid #ccc;
    font-family: Arial, sans-serif;
    color: #202124;
    padding: 10px;
    margin: 10px 0;
}
.gsa-ad a {
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
}
.gsa-ad .gsa-link {
    font-size: 12px;
    color: #006621;
}
.gsa-description {
    font-size: 14px;
    color: #4d5156;
    margin: 5px 0;
}
.gsa-small { max-width: 200px; }
.gsa-medium { max-width: 300px; }
.gsa-large { max-width: 500px; }