span.clusternum {
    font-weight: bold;
    text-align: center;
}

.first span.clusternum::after {
    content: ' nodes';
}
.first span.clusterMSE::before {
    content: 'Deviation area: ';
}
/*#clusterDisplay > span.clusternum ~ span.clusternum ::after {*/
/*content: ' s';*/
/*}*/

input.clusterlabel {
    border: #7b7b7b solid 0.5px;
    font-size: 12px;
    height: 1.5rem;
    margin-bottom: 1px;
    border-radius: 10px;
    background-color: white;
    padding: 0 5px;
    outline: none;
}

/*span.clusterlabel::before {*/
/*    content: 'Group 'attr(data-order)': ';*/
/*}*/

input.clusterlabel:hover, input.clusterlabel:focus{
    box-shadow: 0 10px 10px 0 rgba(0,0,0,0.14), 0 3px 1px -2px rgba(0,0,0,0.12), 0 1px 5px 0 rgba(0,0,0,0.2);
    -webkit-box-shadow: 0 10px 10px 0 rgba(0,0,0,0.14), 0 3px 1px -2px rgba(0,0,0,0.12), 0 1px 5px 0 rgba(0,0,0,0.2);
}
span.clusterlabel{
    text-align: center ;
}