.sortable-placeholder{
    height: 44px;
    background-color: #AFAFAF;
    border: 1px dashed #000000;
    margin-bottom: 2px;
}

.btn-block{
    display: block;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
    margin-bottom: 5px;
}

.inaccessible{
    color: black !important;
    background-color: black !important;
}

.libre{
    color: green !important;
    background-color: green !important;
}

.difficile{
    color: orange !important;
    background-color: orange !important;
}

.helper{
    padding: 5px;
    background-color: #FDFDFD;
    border: 1px solid #DFDFDF;
}