body {
  background: #39D;
  margin: 0;
  padding: 0;
  border: 0;
}

.circular-menu {
  width: 250px;
  height: 250px;
  margin: 0 auto;
  margin-left: 80%;
  margin-top: 0;
  position: absolute;
}

.circle {
  width: 250px;
  height: 250px;
  opacity: 0;
  
  -webkit-transform: scale(0);
  -moz-transform: scale(0);
  transform: scale(0);

  -webkit-transition: all 0.4s ease-out;
  -moz-transition: all 0.4s ease-out;
  transition: all 0.4s ease-out;
}

.open.circle {
  opacity: 1;

  -webkit-transform: scale(1);
  -moz-transform: scale(1);
  transform: scale(1);
}

.circle a {
  text-decoration: none;
  color: white;
  display: block;
  height: 40px;
  width: 40px;
  line-height: 40px;
  margin-left: -20px;
  margin-top: -20px;
  position: absolute;
  text-align: center;

}

.circle a:hover {
  color: yellow;

}

.menu-button {
  position: absolute;
  top: calc(50% - 30px);
  left: calc(52% - 30px);
  text-decoration: none;
  text-align: center;
  color: black;
  border-radius: 50%;
  display: block;
  height: 50px;
  width: 50px;
  line-height: 40px;
  padding: 10px;
  background: #eef;
  
}

.circular-menu a .menu-button{
  margin-top: 20%;
}

.menu-button:hover {
  background-color: yellow;
  text-decoration: none;
  color: black;
}