text: (function(){
      let styleString = `
          background-color: #00a046;
          color: white;
          cursor: pointer;
          visibility: hidden;
          font: normal 12px Arial;
          height: 35px;
          left: 0;
          line-height: 35px;
          padding: 0 16px;
          position: absolute;
          top: 0;
          z-index: 100;
          `;
  
      let button = document.createElement("div");
      button.style.cssText = styleString;
      button.id = "injectedButton";
      button.innerHTML = "<span>Показати</span>";
      document.body.appendChild(button);
  })();