The meter element - similar to it’s little brother progress - looks like horizontal graph element. But the meter has a colored bar chart, which indicates if the value is too low, too high or just right. Use this for disk usage, the relevance of a query result …
It doesn’t have an indeterminate state. The HTML element has a lot of attributes:
value. Wrap it in box for best alignment with other form elements within Teutonic CSS. Browser support for a styled meter element is a bit sloppy. This looks kind of OK in MS Edge.