body {
    font-family: sans-serif;
    padding: 0 20px;
  }
  
  h1 {
    text-align: center;
    font-weight: 900;
    margin: 0;
    font-size: 34px;
    line-height: 48px;
  }
  
  h1 h2,
  h3 {
    color: #231d3c;
  }
  
  .logo {
    display: block;
    margin: 30px auto;
    width: 150px;
  }
  
  .video-grid-2-columns {
    display: grid;
    width: 100%;
    grid-template-columns: 1fr 1fr;
    grid-gap: 10px;
  }
  
  .video-grid-3-columns {
    width: 100%;
    display: grid;
    margin-top: 10px;
    grid-template-columns: 1fr 1fr 1fr;
    grid-gap: 10px;
  }
  
  .video {
    margin: 0 auto;
    aspect-ratio: 21 / 9;
    width: 100%;
  }
  
  @media (max-width: 900px) {
    .video-grid-2-columns,
    .video-grid-3-columns {
      grid-template-columns: 1fr;
    }
  }
  .hero1 {
    border: 1px solid lightgrey;
    padding: 60px;
    text-align: center;
    background-image: linear-gradient(rgba(0, 0, 0, 0.2), rgba(0, 0, 0.6)),
      url("../images/everest1.png");
    background-size: cover;
    background-position: center;
    color: white;
  }