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You can set the survey header by selecting it in the web designer. The survey header is not the same as the survey name, which is displayed in the gallery. It can provide a more detailed description of the survey. The survey header appears when you open the survey through its viewer URL. Set the survey header, description, and footer You can also edit the thumbnail, tags, and summary in ArcGIS Online or ArcGIS Enterprise. To change the thumbnail, tags, and summary of a survey item, open the Edit Survey Info dialog box on the My Surveys page, in the lower right corner of a survey's card. When editing a survey in the Survey123 website, you can change the name of the survey by clicking the survey's current title in the navigation bar. This is particularly important if you're creating multiple surveys for your own use or if field crews download more than one survey. The thumbnail and survey name are important to visually differentiate surveys in the Survey123 website. Change thumbnail, title, description, and tags You can also insert media into the survey and add HTML formatting. You can change the survey's information presented in the gallery, the title present when you've opened the survey, and the colors and styling of the survey to make it visually distinct. The Survey123 website provides tools to configure the presentation of a survey, allowing it to stand out to users. Set the survey header, description, and footer.
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![orient center html code iframe orient center html code iframe](https://www.wikitechy.com/technology/wp-content/uploads/2017/03/How-to-apply-CSS-to-iframe.jpg)
Change thumbnail, title, description, and tags.