How we change color of sentence in HTML?

Question

Ex: I have separate sentence and I would like to change that color in Blue,
So what I do?

Answer 1

HTML PART:

<span class="classname">some text here</span>

CSS PART:

.classname{
color:blue;
}

well you need to learn css
https://www.sololearn.com/learn/CSS/1089/?ref=app
https://www.sololearn.com/learn/CSS/1080/?ref=app