g#Cells g:hover {
      opacity: 1 !important;
      color: red;
      background-color: red;
    }

    g#Cells g {
      color: red;
      cursor: pointer;
      background-color: red;
      transition: 0.5s;
    }

    #body {
      width: 20%;
    }

    .cell-desc {
      background-color: red;
    }

    .inactive-cell {
      opacity: 30%;
    }

    .active-cell {
      opacity: 100% !important;
    }