CSS Animations Tasteful Example 2

<!doctype html>
<title>Example</title>
<style>
body {
  font-family: sans-serif;
  background-color: #f8f9fa;
  padding: 20px;
}

.skeleton-card {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  padding: 20px;
  max-width: 300px;
  margin: 0 auto;
}

/* The base style for our shimmering skeleton elements */
.skeleton {
  background-color: #eee;
  /* Create an angled gradient for the "shine" */
  background-image: linear-gradient(
    90deg, 
    #eeeeee 0px, 
    #f8f8f8 40px, 
    #eeeeee 80px
  );
  /* Make the background much wider than the element so we can slide it */
  background-size: 300px 100%;
  animation: shimmer 1.5s infinite linear;
  border-radius: 4px;
}

.skeleton-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin-bottom: 15px;
}

.skeleton-title {
  width: 60%;
  height: 20px;
  margin-bottom: 15px;
}

.skeleton-text {
  width: 100%;
  height: 12px;
  margin-bottom: 8px;
}

.skeleton-text.short {
  width: 80%;
}

@keyframes shimmer {
  0% {
    background-position: -300px 0;
  }
  100% {
    background-position: 300px 0;
  }
}
</style>