If you need to show all your employees at one page, you can reduce the box size to fit everyone in or disable the photos (Plugin settings > Globals > Hide Org Chart Photo). To reduce the org chart adjust the following code based on your needs, put the following code in Plugin settings > Tools > Custom CSS or or theme’s style.css.

div.emd-container .orgchart .node {
width: 80px !important; \\ Adjust this based on your team's size
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