native css

.sponsored-post {
    background-color: #dce3de;
    font-family: sans-serif;
    padding: 0px 0px 10px 10px;
}

.content {
    overflow: hidden;
}

.thumbnail {
    width: 200px;
    height: 100px;
    float: top;
    margin: 0 10px 10px 0;
    background-image: url(%%PATTERN:hb_native_image%%);
    background-size: cover;
}

h1 {
    font-size: 18px;
    margin: 0;
  float: middle;
}

a {
    color: #0086b3;
    text-decoration: none;
}

p {
    font-size: 16px;
    color: #444;
  float: middle;
    margin: 10px 0 10px 0;
}

.attribution {
    color: #fff;
    font-size: 9px;
    font-weight: bold;
    display: inline-block;
    letter-spacing: 2px;
    background-color: #ffd724;
    border-radius: 2px;
    padding: 4px;
}