When you click that button, a dialog window opens and allows ... You don't have to use HTML to resize a picture in your Tumblr post. Small handles appear around an image in the editing box when ...

Update the background picture on your Tumblr blog ... Apps" to view a list of your custom themes. Click the "Edit HTML" button beneath the theme you wish to change. The theme's HTML code appears.

HTML is the language most used to build web pages. It provides a lot of flexibility in building interactive and dynamic web pages. For example, you can use an image as a clicking button for a ...