*
{
  margin: 0;
  padding:0;
}
body
{
  background: #000;
}
section
{
  position: relative;
  width: 100%;
  height: 100vh;
  background: url(../images/Girl.jpg);
  background-size: cover;
  clip-path: circle(150px at var(--x) var(--y));
}