body {
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}



header {
  font-size:1vh;
  background-color:#333;
  color:orange;
  text-align: center;
  padding: 10px;
  margin: 0.5em 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header h1 {
  font-size:19px;
  margin-top: 0;
  margin-bottom: 11px;
  color: #333;
  text-align:center;
}

 .my-heading {
  font-size:19px;
}


:root {
    --bg-colors: #FF0000, #FFA500, #008000, #0000FF,#4B0082, #EE82EE;
  }
  .divider {
    width: 100%;
    height: 6px;
    background: linear-gradient(to right, var(--bg-colors));
  }


header p {
  font-size: 16px;
  margin-bottom: 10px;
  margin: 0.5em 0;
  color: #333;
  text-align:left;
  
}


video-container {
  margin: 12px auto;
  max-width: 1200px;
  position: relative;
}

main-video {
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  object-fit: cover;
}

video-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 12px;
}

.video {
  width: 21vw;;
  height:39vh;;
  margin: 10px;
  cursor: pointer;
  object-fit: cover;
  border: 1px solid #ddd;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

@media screen and (max-width: 768px) {
  header h1 {
    font-size: 16px;
  }
  
  video-list {
    justify-content: space-around;
  }
  
  .video {
    width: 80%;
  }
}



footer {
  background-color: #333;
  color:orange; 
  padding: 10px;
  text-align: center;
  bottom: 0;
  left: 0;
  right: 0;
}

footer p {
  margin: 0;
}



nav ul a {
  margin-right:21px;
}


li a {
  font-size:12px;
  background: white;
 
}


 nav ul {
       margin: 0;
       padding: 0;
      list-style: none;
    }

    nav li {
       display:inline-block;
       margin-right: 19px;
       font-weight: 
    }

   nav li:last-child {
    margin-right: 0;
    }

    nav a {
    text-decoration: none;
    color: black;
    font-size: 12px; 
    }

    nav a:hover {
    text-decoration: underline;
    }
    }