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                <h1> I am a h1 set to 3rem (48px)</h1>
<p> I copy text set to 1em (16px) and refer to te the root font-size</p>

 <div class="container">
   <p> I am the same copy text, still set to 1em but iside a container with the font size setting of 2em (so I am 2x16=32px)

<p> (1rem=16px is assued as the default browser preset)</p>



                /* h1 {font-size: 48px;}
h2 {font-size: 24px;}
p {font-size: 16px;} */

/* h1 {font-size: 3rem;}
h2 {font-size: 1.5rem;}
p {font-size: 1rem;}
/*  */

  font-size: 3rem;
  font-size: 1em;

.container {
  font-size: 2em;

.container p {
  padding: 2em;
  /*padding: 2rem;*/