#marker-image {
    float: none;
    display: block;
}

#sample-image {
    width: auto;
    height: 200px;
    overflow-y: scroll;
    display: none;
}

#sample-image div {
    cursor: pointer;
    float: left;
    margin-bottom: 10px;
    padding: 3px;
    text-align: center;
    width: 120px;
}

#sample-image div img {
    display: block;
    margin: 0 auto;
    float: none;
}