How to implement the functionality of the font element in XHTML 1.0 Strict DTD_html/css_WEB-ITnose

<p>部分文字的<font color=blue>颜色</font>需要改变！</p>

The font element is not supported in XHTML 1.0 Strict DTD. How can I achieve the above effect?
Please give an example, thank you!

Reply to discussion (solution)

e388a4556c0f65e1904146cc1a846beeThe 81466a89375ea73e7a98324c824df1dacolore6e38b3c62e8df885fe2e3986461aa63 of some text needs to be changed! 94b3e26ee717c64999d7867364b1b4a3

Attribute values ​​must be enclosed in quotation marks

e388a4556c0f65e1904146cc1a846beeThe 4b50a3da258fcd82d6fe6c0d2a1edd8ecolore6e38b3c62e8df885fe2e3986461aa63 of some text needs to be changed! 94b3e26ee717c64999d7867364b1b4a3

Attribute values ​​must be enclosed in quotation marks
Okay, I made a typo. Can you help me think about how to implement it besides font?

080b747a20f9163200dd0a7d304ba388
p{
color:blue;
}
531ac245ce3e4fe3d50054a55f265927

8ee02bccf80c76cee1c966dc94ac9466
p{
color:blue;
}
531ac245ce3e4fe3d50054a55f265927
I mean you posted it without even trying it.
If you dare to write the complete code and show it to me, if it achieves the effect, I will post it immediately.

Quoting the reply from bbjbepzz on the 3rd floor:080b747a20f9163200dd0a7d304ba388
p{
color:blue;
}
531ac245ce3e4fe3d50054a55f265927
I mean you posted it without even trying it.
If you dare to write the complete code and show it to me, if it achieves the effect, I will post it immediately.

6c04bd5ca3fcae76e30b72ad730ca86d
080b747a20f9163200dd0a7d304ba388
p font{color:blue;}
531ac245ce3e4fe3d50054a55f265927
390e4f8a5f73ab43e65dd06b71e66340colore6e38b3c62e8df885fe2e3986461aa63 of some text needs to be changed!

;
p{
color:blue;
}

531ac245ce3e4fe3d50054a55f265927

I mean you posted it without even trying it.
If you dare to write the complete code and show it to me, if it achieves the effect, I will post it immediately.

6c04bd5ca3fcae76e30b72ad730ca86d
080b747a20f9163200dd0a7d304ba388
p...
Good method. Thanks bbjbepzz for your help