body {
  border: 0;
  display: flex;
  justify-content: flex-end;
}
video {
  position: fixed;
  min-width: 100%;
  min-height: 100%;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  z-index: -1;
}

.menu1 {
  width: 60%;
  background-color: rgba(0, 0, 0, 0.127);
  color: black;
  padding: 30px;
  margin: 12%;
}