<link href="https://fonts.googleapis.com/css?family=Archivo+Black&display=swap" rel="stylesheet">
<link href="https://fonts.googleapis.com/css?family=Archivo:700&display=swap" rel="stylesheet">


<div class="card">
  <p>
    Similar post
  </p>
  <h2>
    How I recreated a Polaroid camera with CSS gradients only
  </h2>
</div>

.card {
  background-color: var(--background);
  display: block;
  width: 300px;
  min-height: 90px;
  border: 3px solid var(--primary);
  padding: 15px;
  margin: calc(50vh - 20px) auto 0 auto;
  cursor: pointer;
  animation: shadow-wave 3s infinite;
}

@keyframes shadow-wave {
  0% {
    box-shadow: 10px -10px 0 -3px var(--background), 10px -10px var(--primary),
      20px -20px 0 -3px var(--background), 20px -20px var(--primary),
      30px -30px 0 -3px var(--background), 30px -30px var(--primary), 
      40px -40px 0 -3px var(--background), 40px -40px var(--primary);
  }
  50% {
    box-shadow: -10px -10px 0 -3px var(--background), -10px -10px var(--primary),
      -20px -20px 0 -3px var(--background), -20px -20px var(--primary),
      -30px -30px 0 -3px var(--background), -30px -30px var(--primary),
      -40px -40px 0 -3px var(--background), -40px -40px var(--primary);
  }
  100% {
    box-shadow: 10px -10px 0 -3px var(--background), 10px -10px var(--primary),
      20px -20px 0 -3px var(--background), 20px -20px var(--primary),
      30px -30px 0 -3px var(--background), 30px -30px var(--primary), 
      40px -40px 0 -3px var(--background), 40px -40px var(--primary);
  }
}







:root {
  --primary: white;
  --secondary: #555BFF;
  --background: #555BFF;
} 

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

body {
  background-image: radial-gradient(var(--secondary) 30%, var(--background) 30%);
  background-size: 2px 3px;
  font-family: "Archivo", sans-serif;
  color: var(--primary);
}

.card p {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.card h2 {
  font-size: 14px;
  font-family: "Archivo Black", "Archivo", sans-serif;
  font-weight: normal;
}