body {
background: #111;
color: #fff;
font-family: Arial, sans-serif;
text-align: center;
padding: 40px;
}
h1 {
font-size: 32px;
margin-bottom: 20px;
}
.video-container {
position: relative;
padding-bottom: 56.25%;
height: 0;
overflow: hidden;
}
.video-container iframe {
position: absolute;
top: 0;
left: 0;
width: 100%;