.field-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border: 1px solid #ddd;
    min-height: 150px;
}

.field-list li {
    padding: 10px;
    margin: 5px;
    background: #f1f1f1;
    cursor: move;
    border: 1px solid #ddd;
}

.ui-state-highlight {
    height: 30px;
    line-height: 30px;
    background: #e0e0e0;
    border: 1px dashed #999;
    margin: 5px;
}