You can change the design of the participant side's event page by configuring the theme. This is a limited feature, you need to request an upgrade. [Contact us to learn about upgrade plan](/contact) ## ダークモード You can set the header and background of the event page to black. ## 背景画像 You can set the background image of the participant side's event page. The supported formats are JPG, PNG, and GIF up to 500KB, the recommended image size is 1600px wide and 2844px high. The same image will be used for smartphone, tablet, and PC. The image will be expanded according to window size, the bakcground can not be scrolled.  - Please avoid using solid gray fills as it makes the lines and other elements of the tournament table difficult to see. - Instead of image with a lot of details, image with larger filled areas make the text and tournament table easier to view. - Applying a solid white (#FFF) overlay with around 75% opacity or a solid black (#000) overlay with around 50% opacity across the entire image will create contrast with the tournament chart, making it easier to view. ## ヘッダーロゴ画像 You can change the Tonamel logo on the participant side's event page. When you change the header image, the destination when clicking the logo will change from the Tonamel home to the event page's home. The supported formats are JPG, PNG, and GIF up to 500KB, the recommended image size is 160px wide and 32px high. The same image will be used for smartphone, tablet, and PC.