<div id="main">
  <h2>Hover the hamburger</h2>
  <div id="hamburger">
      <div id="bar1"></div>
      <div id="bar2"></div>
      <div id="bar3"></div>
  </div>
</div>

#main{
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#main > h2{
  font-family: sans-serif;
}

/* Base styles for the hamburger menu */
#hamburger {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

#hamburger div {
  width: 22px;
  height: 2px;
  background-color: black;
  margin: 4px 0;
  transition: all 0.3s;
}

/* Animations */
#hamburger:hover div {
  background-color: blue;
}

#hamburger:hover #bar1 {
  transform: rotate(-45deg) translate(-5px, 8px);
}

#hamburger:hover #bar2 {
  opacity: 0;
}

#hamburger:hover #bar3 {
  transform: rotate(45deg) translate(-5px, -8px);
}