JSFiddle - React, Tailwind, and code Playground
by RussAbbott
HTML
<div class='a b'>
Both a and b. To refer to it: .a.b or .b.a
<div class = 'b'>
Here, b is a child of a. To refer to it: .a .b (or in this case: .b .b or .a > .b)
</div>
</div>
CSS
.a { color: black; }
.b { color: red; }
.b .b{ color: green}
.a.b{ color: #da0} /* gold */