body {
    background-color: #b6bff7;
  }
  
  #multimedia_list {
    margin: 1rem auto;
    width: 90%;
    max-width: 80rem;
  }
  
  #multimedia_list h2 {
    text-align: center;
    font-size: 1.2rem;
    color: #2e2e2e;
    margin: 1.5rem 0;
  }
  
  ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
    gap: 1.5rem;
  }
  
  .btn-filter {
    min-width: 6rem    
  }