.post-cat-widget .post {
    border-bottom: 1px dashed #ccc;
    margin-bottom: 10px;
    padding: 5px;
}

.post-cat-widget .post .post-thumb img {
    max-width: 100%;
    height: auto;
}

.post-cat-widget .post .post-date {
    font-size: 80%;
}