h3 {
    clear: both;
}
.example {
    font-size: 1.0em;
    float: left;
    margin-right: 10px;
    margin-bottom: 10px;
    width: 112px;
    height: 112px;
    border: 4px solid #669;
    background-color: #ccf;
    text-align: center;
    padding: 1em 0.2em 0.2em 0.2em;
}
.demo {
    clear: both;
}