body {
  margin:0;
  font-family: Arial;
  background:#0f0f0f;
  color:white;
}

.navbar {
  background:#202020;
  padding:15px;
  font-size:20px;
}

.container {
  max-width:1000px;
  margin:auto;
  padding:20px;
}

.card {
  background:#1a1a1a;
  padding:15px;
  border-radius:15px;
  margin-bottom:20px;
}

input, button {
  width:100%;
  padding:10px;
  margin:5px 0;
  border:none;
  border-radius:10px;
}

button {
  background:red;
  color:white;
  cursor:pointer;
}

.grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(250px,1fr));
  gap:15px;
}

.video {
  background:#1a1a1a;
  border-radius:15px;
  overflow:hidden;
}

.video img {
  width:100%;
}

.video h3 {
  padding:10px;
  font-size:16px;
}