* {
  position: relative;
}
body,
html {
  height: 100%;
}
body {
  font-family: Arial, sans-serif;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #1d1d1d;
}

.circlesHolder {
  /* width:100px;
	height:100px; */
  background: #ddd;
}

.circle {
  text-align: center;
  line-height: 50px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: orange;
  position: absolute;
}

.circleParent {
  width: 100px;
  height: 0px;
  background: red;
  position: absolute;
}