/**
 * Comments!
 */

* {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

body {
  font-size: 18px;
}

p {
  color: purple !important;
}

@media screen and (min-width: 600px) {
  body {
    background: green;
    font-size: 21px;
  }
}

@media screen and (min-width: 600px) {
  div {
    margin: 0 auto;
    text-decoration: underline;;
  }
}

/**
 * Comments!
 */

* {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

body {
  background: red;
  font-size: 18px;
}

p {
  color: purple !important;
}

@media screen and (min-width: 600px) {
  body {
    background: green;
    font-size: 21px;
  }
}

@media screen and (min-width: 600px) {
  div {
    margin: 0 auto;
    text-decoration: underline;;
  }
}

Undo change to example css
Undo change to example css
