.draggable {
    border: 3px solid #ccc;
    border-radius: 5px;
    margin: 5px;
    padding: 5px;
    display: inline-block;
    cursor: move;
}

.drop-target {
    border: 3px dashed #ebebeb;
    margin: 1rem;
    padding: 1rem;
    display: inline-block;
}

.drop-mal {
    border: 3px dashed #ff0000;
}