Thanks @feng-tao . Please find the screenshots below. The two new CSS classes added are helping render the flash messages properly.
BTW, may you consider setting the fix version to 1.10.1? Thanks! ## 'alert-message' <img width="1680" alt="screen shot 2018-09-21 at 4 00 48 pm" src="https://user-images.githubusercontent.com/11539188/45868613-d3368d80-bdb8-11e8-9535-31485bdfe5e0.png";> ## 'alert-error' <img width="1680" alt="screen shot 2018-09-21 at 4 01 17 pm" src="https://user-images.githubusercontent.com/11539188/45868621-d92c6e80-bdb8-11e8-91e9-c38b77d28dec.png";> [ Full content available at: https://github.com/apache/incubator-airflow/pull/3903 ] This message was relayed via gitbox.apache.org for [email protected]
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![https://user-images.githubusercontent.com/11539188/45868621-d92c6e80-bdb8-11e8-91e9-c38b77d28dec.png"](https://user-images.githubusercontent.com/11539188/45868621-d92c6e80-bdb8-11e8-91e9-c38b77d28dec.png"){kind=link}