body {
  width: 800px;
  margin: 0 auto;
}

#videos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 1em;
  width: 100%;
  padding: 10px;
}

video {
  width: 100%;
  border: 2px solid greenyellow;
  background-color: rgb(63, 62, 62);
}

textarea {
  height: 50px;
  width: 100%;
}

@media screen and (max-width: 800px) {
  body {
    width: 100%;
  }
}