jQuery addClass example
Change class name on click in jQuery
HTML
<span class="a">
<span class="b">Color 1</span>
</span>
<span class="b">
<span class="a">Color 2</span>
</span>
CSS
.a {
background-color: rgba(255, 0, 0, 0.5);
}
.b {
background-color: rgba(0, 0, 255, 0.5);
}
.a > .b {
background-color: rgba(0, 0, 255, 0.25);
}
.b > .a {
background-color: rgba(255, 0, 0, 0.25);
}