Regarding the usage of CSS non-interline styles, please solve ~_html/css_WEB-ITnose

This is my style

< td>Ganzhou: 16~12
Air quality: 106

This is the layout inside the body


I want to put it inside the td The "air quality" becomes white without underline, but it can only be used when calling the global a directly. If it is placed in the class, there is no way to set the css. Please find out what is wrong in my style?

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