To change logo size, kindly follow below steps.
Step 1: Go to WordPress Admin > Section Builder.
Step 2: Create/Select Pre build header and click on the “Edit with Elementor” button and drag Litho site logo like below image.
Step 3: Click on the logo to edit litho logo widget settings > Style tab > Logo > and there change logo size using width and max height settings. See the below image for more understanding.
Once you are done with the customization, don’t forget to click on the “update” button to see the changes.