Метки Google Maps API

$('.menu-btn').on('click', function(e) {
  e.preventDefault();
  $(this).toggleClass('menu-btn_active');
  $('.menu').toggleClass('menu_active');
});

body {
  font-family: sans-serif;
  margin: 0;
}

.section {
  height: 100vh;
  background-color: #7b1fa2;
  display: flex;
  justify-content: center;
  align-items: center;
}

.menu-btn {
  display: block;
  width: 50px;
  height: 50px;
  position: relative;
  z-index: 3;
}

.menu-btn span {
  background-color: white;
  border-radius: 50%;
  border: solid 2px #fff;
  position: absolute;
  left: 0%;
  margin-left: -2px;
  top: 0%;
  margin-top: -2px;
  width: 50px;
  height: 50px;
  transition: 0.5s;
}

.menu-btn_active span {
  width: 150px;
  height: 150px;
  left: 0%;
  margin-left: -50px;
  transform: translateY(-50px);
  transition: 0.5s;
}

.menu-block {
  display: flex;
  justify-content: center;
  align-items: center;
}

.menu-block {
  position: relative;
}

.menu a {
  font-size: 25px;
  color: #222;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid #fff;
  transition: 0.4s;
  position: absolute;
  left: calc(50% - 27px);
  top: calc(50% + -27px);
  z-index: 0;
}

.menu a:nth-child(1) {
  transition-delay: 0.01s;
}

.menu a:nth-child(2) {
  transition-delay: 0.03s;
}

.menu a:nth-child(3) {
  transition-delay: 0.06s;
}

.menu_active a:nth-child(1) {
  transform: translate(-170%, -170%);
}

.menu_active a:nth-child(2) {
  transform: translate(-0%, -250%);
}

.menu_active a:nth-child(3) {
  transform: translate(170%, -170%);
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<link href="https://use.fontawesome.com/releases/v5.0.13/css/all.css" rel="stylesheet" />
<div class="section">

  <div class="menu-block">
    <a href="#" class="menu-btn">
      <span></span>
    </a>

    <nav class="menu">
      <a href="#"><i class="fas fa-language"></i></a>
      <a href="#"><i class="fas fa-language"></i></a>
      <a href="#"><i class="fas fa-language"></i></a>
    </nav>

  </div>

</div>