<div class="container">
  <div class="menu_icon">
    <span class="one"></span>
    <span class="two"></span>
    <span class="three"></span>
    </label>
  </div>
</div>

<!-- Method used -->
<!-- I moved the first line to 25px in the y axis, rotate it 45 deg, second line's opacity is set to zero, and finally the third line is moved 25px in the y axis, rotate it -45 deg, -->
* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

.container {
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background: #485563;
  background: -webkit-linear-gradient(to right, #29323c, #485563);
  background: linear-gradient(to right, #29323c, #485563);
  display: flex;
  justify-content: center;
  align-items: center;
}

.menu_icon {
  width: 55px;
  height: 55px;
  margin: auto;
  z-index: 10;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  padding: 5px 0;
}

.menu_icon span {
  position: absolute;
  display: block;
  height: 5px;
  width: 60px;
  background-color: #fff;
  transform: rotate(0);
  transition: all 200ms cubic-bezier(0.895, 0.03, 0.685, 0.22);
}

span.one {
  top: 0px;
}

span.two {
  top: 25px;
}

span.three {
  top: 50px;
}
.clicked .one {
  transform: translateY(25px) rotate(45deg);
}

.clicked .two {
  opacity: 0;
}

.clicked .three {
  transform: translateY(-25px) rotate(-45deg);
}
let icon = document.querySelector(".menu_icon");

icon.addEventListener("click", () => {
  icon.classList.toggle("clicked");
});

External CSS

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External JavaScript

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