I need help with CSS code to set 3 column of the org chart with same width

*,
*:before,
*:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: white;
  font-family: "Helvetica Neue", "Helvetica", Arial, sans-serif;
}

#wrapper {
  margin-left: auto;
  margin-right: auto;
  max-width: Auto;
}

#container {
  float: center;
  padding: 0em;
  width: 100%;
}

ol.organizational-chart,
ol.organizational-chart ol,
ol.organizational-chart li,
ol.organizational-chart li > div {
  position: relative;
}

ol.organizational-chart,
ol.organizational-chart ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

ol.organizational-chart {
  text-align: center;
}

ol.organizational-chart ol {
  padding-top: 1em;
}

ol.organizational-chart ol:before,
ol.organizational-chart ol:after,
ol.organizational-chart li:before,
ol.organizational-chart li:after,
ol.organizational-chart > li > div:before,
ol.organizational-chart > li > div:after {
  background-color: #e27471;
  content: "";
  position: absolute;
  outline: 1px GROOVE #e27471;
}

ol.organizational-chart ol > li {
  padding: 1em 0 0 1em;
}

ol.organizational-chart > li ol:before {
  height: 1em;
  left: 50%;
  top: 0;
  width: 3px;
}

ol.organizational-chart > li ol:after {
  height: 3px;
  left: 3px;
  top: 1em;
  width: 50%;
}

ol.organizational-chart > li ol > li:not(:last-of-type):before {
  height: 3px;
  left: 0;
  top: 2em;
  width: 1em;
}

ol.organizational-chart > li ol > li:not(:last-of-type):after {
  height: 100%;
  left: 0;
  top: 0;
  width: 3px;
}

ol.organizational-chart > li ol > li:last-of-type:before {
  height: 3px;
  left: 0;
  top: 2em;
  width: 1em;
}

ol.organizational-chart > li ol > li:last-of-type:after {
  height: 2em;
  left: 0;
  top: 0;
  width: 3px;
}

ol.organizational-chart li > div {
  background-color: #e6e6e6;
  border-radius: 3px;
  min-height: 2em;
  padding: 0.5em;
}

/*** PRIMARY ***/
ol.organizational-chart > li > div {
  background-color: #e27471;
  margin-right: 1em;
}

ol.organizational-chart > li > div:before {
  bottom: 2em;
  height: 3px;
  right: -1em;
  width: 1em;
}

ol.organizational-chart > li > div:first-of-type:after {
  bottom: 0;
  height: 2em;
  right: -1em;
  width: 3px;
}

ol.organizational-chart > li > div + div {
  margin-top: 1em;
}

ol.organizational-chart > li > div + div:after {
  height: calc(100% + 1em);
  right: -1em;
  top: -1em;
  width: 3px;
}

/*** SECONDARY ***/
ol.organizational-chart > li > ol:before {
  left: inherit;
  right: 0;
}

ol.organizational-chart > li > ol:after {
  left: 0;
  width: 100%;
}

ol.organizational-chart > li > ol > li > div {
  background-color: #83e4e2;
  width: auto;
  outline: 1px solid #e27471;
  padding-bottom: 2%;
  margin-bottom: 0%;
}

/*** TERTIARY ***/
ol.organizational-chart > li > ol > li > ol > li > div {
  background-color: ;
  outline: 1px solid #e27471;
}

/*** QUATERNARY ***/
ol.organizational-chart > li > ol > li > ol > li > ol > li > div {
  background-color: #fca858;
}

/*** QUINARY ***/
ol.organizational-chart > li > ol > li > ol > li > ol > li > ol > li > div {
  background-color: #fddc32;
}

/*** MEDIA QUERIES ***/
@media only screen and (min-width: 64em) {
  ol.organizational-chart {
    margin-left: -1em;
    margin-right: -1em;
  }

  /* PRIMARY */
  ol.organizational-chart > li > div {
    display: inline-block;
    float: none;
    margin: 1em 1em 1em 1em;
    vertical-align: bottom;
  }

  ol.organizational-chart > li > div:only-of-type {
    margin-bottom: 0;
    width: calc((100% / 1) - 2em - 4px);
  }

  ol.organizational-chart > li > div:first-of-type:nth-last-of-type(2),
  ol.organizational-chart > li > div:first-of-type:nth-last-of-type(2) ~ div {
    width: calc((100% / 2) - 2em - 4px);
  }

  ol.organizational-chart > li > div:first-of-type:nth-last-of-type(3),
  ol.organizational-chart > li > div:first-of-type:nth-last-of-type(3) ~ div {
    width: calc((100% / 3) - 2em - 4px);
  }

  ol.organizational-chart > li > div:first-of-type:nth-last-of-type(4),
  ol.organizational-chart > li > div:first-of-type:nth-last-of-type(4) ~ div {
    width: calc((100% / 4) - 2em - 4px);
  }

  ol.organizational-chart > li > div:first-of-type:nth-last-of-type(5),
  ol.organizational-chart > li > div:first-of-type:nth-last-of-type(5) ~ div {
    width: calc((100% / 5) - 2em - 4px);
  }

  ol.organizational-chart > li > div:before,
  ol.organizational-chart > li > div:after {
    bottom: -1em !important;
    top: inherit !important;
  }

  ol.organizational-chart > li > div:before {
    height: 1em !important;
    left: 50% !important;
    width: 3px !important;
  }

  ol.organizational-chart > li > div:only-of-type:after {
    display: none;
  }

  ol.organizational-chart > li > div:first-of-type:not(:only-of-type):after,
  ol.organizational-chart > li > div:last-of-type:not(:only-of-type):after {
    bottom: -1em;
    height: 3px;
    width: calc(50% + 1em + 3px);
  }

  ol.organizational-chart > li > div:first-of-type:not(:only-of-type):after {
    left: calc(50% + 3px);
  }

  ol.organizational-chart > li > div:last-of-type:not(:only-of-type):after {
    left: calc(-1em - 3px);
  }

  ol.organizational-chart > li > div + div:not(:last-of-type):after {
    height: 3px;
    left: -2em;
    width: calc(100% + 4em);
  }

  /* SECONDARY */
  ol.organizational-chart > li > ol {
    display: flex;
    flex-wrap: nowrap;
  }

  ol.organizational-chart > li > ol:before,
  ol.organizational-chart > li > ol > li:before {
    height: 1em !important;
    left: 50% !important;
    top: 0 !important;
    width: 4px !important;
  }

  ol.organizational-chart > li > ol:after {
    display: none;
  }

  ol.organizational-chart > li > ol > li {
    flex-grow: 1;
    padding-left: 1em;
    padding-right: 1em;
    padding-top: 1em;
  }

  ol.organizational-chart > li > ol > li:only-of-type {
    padding-top: 0;
  }

  ol.organizational-chart > li > ol > li:only-of-type:before,
  ol.organizational-chart > li > ol > li:only-of-type:after {
    display: none;
  }

  ol.organizational-chart > li > ol > li:first-of-type:not(:only-of-type):after,
  ol.organizational-chart > li > ol > li:last-of-type:not(:only-of-type):after {
    height: 3px;
    top: 0;
    width: 50%;
  }

  ol.organizational-chart
    > li
    > ol
    > li:first-of-type:not(:only-of-type):after {
    left: 50%;
  }

  ol.organizational-chart > li > ol > li:last-of-type:not(:only-of-type):after {
    left: 0;
  }

  ol.organizational-chart > li > ol > li + li:not(:last-of-type):after {
    height: 3px;
    left: 0;
    top: 0;
    width: 100%;
  }
}

Hello, what challenge was this?

Please Tell us what’s happening in your own words.

Learning to describe problems is hard, but it is an important part of learning how to code.

Also, the more you say, the more we can help!

I can’t make the 3 columns have the same width in the organizational chart!