1. To add a logo to your header or footer, hover over the empty box and click on the "plus", then choose the element Logo in the pop-up window:

2. To edit the logo, select the text in the placeholder and change its appearance in the pop-up menu:
3. You can also adjust the size of the logo using the handles on the sides. To do this, hover over the empty space between the elements in the block and drag the handle:

4. Click on the "gear" at the end of the menu to access the Logo settings:

6. In the Behaviour tab you can set up the click action for your logo. For more information, visit the article Adding links to elements (click action).
1. Firstly, select the text in the placeholder and click on the "gear" in the pop-up menu:

3. Click on the logo in the header or footer to change its display by zooming the image in and out: