   const width = 600;
   const height = 400;

   let svg = d3
    .select("body")
    .append("svg")
    .attr("width", width)
    .attr("height", height);

   let margin = { top: 20, right: 10, bottom: 20, left: 50 };

   // Kontener osi dolnej
   let bottomContainer = svg
    .append("g")
    .attr("id", "bottom")
    .attr("transform", `translate(0, ${height - margin.bottom})`);

   // Kontener osi lewej
   let leftContainer = svg
    .append("g")
    .attr("id", "left")
    .attr("transform", `translate(${margin.left}, 0)`);

   function getUrl() {
   --cięcie--
