body, a {
  background-color: black;
  color: red;
  font-family: 'Nosifer', cursive;
}

div {
  height: 10em;
  display: flex;
  align-items: center;
  justify-content: center
}

img {
  border-radius: 50%;
  width: 40%;
  height: auto;
  display: block;
  margin-left: auto;
  margin-right: auto;
}