<h1>This is the first h1</h1>
<h1 id="gary">this is the GARY h1</h1>
<h1 id="sally">this is the SALLY h1</h1>
<h1>this is the 4th h1</h1>
/* just giving some background color and font color here */
body {
  background: #494949;
  color: #eaeaea;

/* even if the id selector comes first, it will not be overwritten by the element selector! */
#sally {
  color: green;

/* this is the element selector */
h1 {
  color: red;

/* and here are the hook references to gary and sally */
#gary {
  color: lightgreen;

External CSS

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External JavaScript

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