Example

HTML

<!-- Learn about this code on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/Adjacent_sibling_selectors -->

<h5>Test</h5><h5>Test</h5>

<br>

<label>Test</label><input type='checkbox'>

CSS

h5 + h5 {
  color: red;
}

label + input {
  color: red;
}