.chart-legend {
  label {
    i {
      width: 15px;
    }
    &:hover input[type="checkbox"] {
      ~ i.fa {
        color: #006687;
      }
    }
    input[type="checkbox"] {
      ~ i.fa.fa-square-o {
        color: #c8c8c8;
        display: inline-block;
      }

      ~ i.fa.fa-check-square-o {
        display: none;
      }

      &:checked ~ i.fa.fa-square-o {
        display: none;
      }
      &:checked ~ i.fa.fa-check-square-o {
        color: #008cba;
        display: inline-block;
      }
    }
  }

  div[data-toggle="buttons"] label.active {
    color: #008cba;
  }

  div[data-toggle="buttons"] label {
    display: inline-block;
    padding: 0;
    margin-bottom: 0;
    font-size: 0.95rem;
    font-weight: bold;
    line-height: 1.45em;
    text-align: left;
    white-space: nowrap;
    vertical-align: top;
    cursor: pointer;
    border: 0px solid #c8c8c8;
    border-radius: 3px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -o-user-select: none;
    user-select: none;
  }

  div[data-toggle="buttons"] label:hover {
    color: #006687;
  }

  div[data-toggle="buttons"] label:active, div[data-toggle="buttons"] label.active {
    -webkit-box-shadow: none;
    box-shadow: none;
  }
}