#content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items:center;
}

.image {
  width: 500px;
  height: 50vh;
  border: 5px solid black;
  border-radius: 45%;
  overflow: hidden;
  background-image: url("https://media.giphy.com/media/5kq0GCjHA8Rwc/giphy.gif");
  background-size: cover;
  background-position: center;
  font-size: .1vh;
  -webkit-background-clip: text;
  color: transparent;
  -webkit-text-fill-color:transparent;
}

body {
  background-color: gray;
}