.flex-container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.flex-item {
    text-align: center;
    font-size: 1.1em;
    border: 2px solid #ccc; /*Убрать рамки*/
    padding: 1.5em;
    width: 30%;
}

.button {
    width: 200px;
    margin-top: 1px;
    margin-bottom: 1px;
    margin-left: 1px;
    margin-right: 1px;
}
.cell-disk {
    display: flex;
    flex-direction: row;
    align-items: center;
}
.cell-disk-content {
    margin-top: 1px;
    margin-bottom: 1px;
    margin-left: 10px;
    margin-right: 1px;
    text-align: left;
}
.table-disk {
    width: 100%;
}
.table-disk-cell {
    /*border: 1px double black;*/
    vertical-align: top;
}