Leftover Elements

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Leftover Elements</title>

  <link rel="stylesheet" href="./styles.css">
</head>
<body>
  <div class="wrapper">
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Excepturi, autem.</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur adipisicing elit.</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Inventore vel, eos ipsam.</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ullam molestias officia maiores nobis. Natus, quis aspernatur!</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur.</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quis delectus cum cumque, unde deleniti quo.</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur adipisicing elit.</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quasi officia, aliquid delectus.</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur.</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Eaque nulla sint neque, dolorem reprehenderit assumenda!</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur adipisicing elit.</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur elit. Itaque quibusdam, at magni?</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Unde commodi sit, adipisci et maxime vitae, blanditiis!</p>
    <p class="paragraph">Lorem ipsum dolor sit amet, consectetur.</p>
  </div>
</body>
</html>

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  height: 100vh;
  display: flex;
  background: #923ACC;
}

.wrapper {
  width: 90%;
  margin: auto;
  display: flex;
  flex-wrap: wrap;
}

.paragraph {
  flex: 1 1 calc(33.33% - 40px);
  padding: 20px;
  margin: 10px;
  border-radius: 5px;
  background: rgba(255,255,255,.3);
}

.paragraph:nth-child(4n+1) {
  font-size: 24px;
}

.paragraph:nth-child(7n+1) {
  font-size: 30px;
}