.midocean-canvas{
    width:100%;
    height:300px;
    background-size:contain;
    background-repeat:no-repeat;
    background-position:center;
    border:1px solid #ddd;
    margin-bottom:10px;
}
.midocean-demo{
    background:#fff3cd;
    padding:8px;
    border-radius:4px;
    margin-bottom:10px;
}