.round
  a(href="https://yandex.ru") Yandex
  img(src="https://via.placeholder.com/150")

.round {
  position: relative;
  display: inline-block;
}

img {
  border-radius: 50%;
}

a {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
}