.dialog .duration {
    display: block;
/*    border: 1px solid cornflowerblue; */
    font-size: 21px;
    width: 100%;
}

.dialog .duration td {
 /*   border: 1px solid grey;   */
    box-sizing: border-box;
    text-align: center;
    width: 20% !important;

}
.dialog .duration tr:nth-child(4) {
    font-size: 16px;
}

/*
.dialog .duration td:nth-child(odd) {
    min-width: 2em;
}
*/
.dialog .duration tr:nth-child(odd) td {
    padding: 0px;
}
.dialog .duration tr:nth-child(odd) td i:hover {
    color: orange;
}