graph BT

classDef default stroke:#454545,fill:none
classDef root stroke:#cc3a3a,fill:none
classDef important-composer stroke::#d96d6d,fill:#d96d6d
classDef important-pedagogue stroke::#d3c367,fill:#d3c367

%% Nodes

789("E. Václav Petrik<div id=NodeDiv-789 style='height: 250px; width: 400px'></div>")
class 789 node-789;
class 789 root
790("Kozcek<div id=nodeDiv-790 style='height: 250px; width: 400px'></div>")

%%Links

789 -->|<span id='EL-789-790' class='EL EL-depth-1 EL-root'>studied with</span>| 790

%%Styling

class 790 node-790;
class 790 node-depth-1;
class 790 terminal;