Colors from span style are not showing

[KonradSzewczuk]

I want to show such HTML string:

<p><span style="color: rgb(230, 0, 0);">should be text color red</span></p><p><br></p><p><br></p><p><span style="background-color: rgb(230, 0, 0);">should be text color red background</span></p>

However it is not formatted and lack of colors. I have just only replace this HTML string in the sample app of this project(replaced the R.raw.example string inside).