一般兄弟选择器 | General sibling selectors

/* Paragraphs that are siblings of and
   subsequent to any image */
img ~ p {
  color: red;
}

former_element ~ target_element { style properties }

p ~ span {
  color: red;
}

<span>This is not red.</span>
<p>Here is a paragraph.</p>
<code>Here is some code.</code>
<span>And here is a red span!</span>
<code>More code...</code>
<span>And this is a red span!</span>