Menu buttons CSS-Only

Animating CSS-Only Hamburger Menu Icons – https://codepen.io/engza/pen/JGeVVK
Анимированная кнопка меню – https://ruseller.com/lessons.php?id=2301&rub=2

HTML
<div class="wrap">
  <button class="cmn-toggle-switch cmn-toggle-switch__rot">
    <span>toggle menu</span>
  </button>

  <button class="cmn-toggle-switch cmn-toggle-switch__htx">
    <span>toggle menu</span>
  </button>

  <button class="cmn-toggle-switch cmn-toggle-switch__htla">
    <span>toggle menu</span>
  </button>

  <button class="cmn-toggle-switch cmn-toggle-switch__htra">
    <span>toggle menu</span>
  </button>
</div>

JS
 (function() {

"use strict";

var toggles = document.querySelectorAll(".cmn-toggle-switch");

for (var i = toggles.length - 1; i >= 0; i--) {
  var toggle = toggles[i];
  toggleHandler(toggle);
};

function toggleHandler(toggle) {
  toggle.addEventListener( "click", function(e) {
    e.preventDefault();
    (this.classList.contains("active") === true) ? this.classList.remove("active") : this.classList.add("active");
  });
}

})();

  CSS общий
  .wrap {
    display: flex;
    justify-content: space-around;
  }
  
  .cmn-toggle-switch {
    display: block;
    position: relative;
    overflow: hidden;
    margin: 0;
    padding: 0;
    width: 108px;
    height: 96px;
    font-size: 0;
    text-indent: -9999px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    box-shadow: none;
    border-radius: none;
    border: none;
    cursor: pointer;
    -webkit-transition: background 0.3s;
            transition: background 0.3s;
  }

  .cmn-toggle-switch:focus {
    outline: none;
  }

  .cmn-toggle-switch span {
    display: block;
    position: absolute;
    top: 45px;
    left: 18px;
    right: 18px;
    height: 6px;
    background: white;
  }

  .cmn-toggle-switch span::before,
  .cmn-toggle-switch span::after {
    position: absolute;
    display: block;
    left: 0;
    width: 100%;
    height: 6px;
    background-color: #fff;
    content: "";
  }

  .cmn-toggle-switch span::before {
    top: -27px;
  }

  .cmn-toggle-switch span::after {
    bottom: -27px;
  }

  /**
  * Style 1
  *
  * Rotating hamburger icon (rot), that simply rotates 90 degrees when activated.
  * Nothing too fancy, simple transition.
  */
  .cmn-toggle-switch__rot {
    background-color: #28aadc;
  }

  .cmn-toggle-switch__rot span {
    -webkit-transition: -webkit-transform 0.3s;
            transition: transform 0.3s;
  }

  /* active state, i.e. menu open */
  .cmn-toggle-switch__rot.active {
    background-color: #166888;
  }

  .cmn-toggle-switch__rot.active span {
    -webkit-transform: rotate(90deg);
        -ms-transform: rotate(90deg);
            transform: rotate(90deg);
  }

/**
  * Style 2
  *
  * Hamburger to "x" (htx). Takes on a hamburger shape, bars slide
  * down to center and transform into an "x".
  */
  .cmn-toggle-switch__htx {
    background-color: #ff3264;
  }

  .cmn-toggle-switch__htx span {
    -webkit-transition: background 0 0.3s;
            transition: background 0 0.3s;
  }

  .cmn-toggle-switch__htx span::before,
  .cmn-toggle-switch__htx span::after {
    -webkit-transition-duration: 0.3s, 0.3s;
            transition-duration: 0.3s, 0.3s;
    -webkit-transition-delay: 0.3s, 0;
            transition-delay: 0.3s, 0;
  }

  .cmn-toggle-switch__htx span::before {
    -webkit-transition-property: top, -webkit-transform;
            transition-property: top, transform;
  }

  .cmn-toggle-switch__htx span::after {
    -webkit-transition-property: bottom, -webkit-transform;
            transition-property: bottom, transform;
  }

  /* active state, i.e. menu open */
  .cmn-toggle-switch__htx.active {
    background-color: #cb0032;
  }

  .cmn-toggle-switch__htx.active span {
    background: none;
  }

  .cmn-toggle-switch__htx.active span::before {
    top: 0;
    -webkit-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
            transform: rotate(45deg);
  }

  .cmn-toggle-switch__htx.active span::after {
    bottom: 0;
    -webkit-transform: rotate(-45deg);
        -ms-transform: rotate(-45deg);
            transform: rotate(-45deg);
  }

  .cmn-toggle-switch__htx.active span::before,
  .cmn-toggle-switch__htx.active span::after {
    -webkit-transition-delay: 0, 0.3s;
            transition-delay: 0, 0.3s;
  }

  /**
  * Style 3
  *
  * Hamburger to left-arrow (htla). Hamburger menu transforms to a left-pointing
  * arrow. Usually indicates an off canvas menu sliding in from left that
  * will be close on re-click of the icon.
  */
  .cmn-toggle-switch__htla {
    background-color: #32dc64;
  }

  .cmn-toggle-switch__htla span {
    -webkit-transition: -webkit-transform 0.3s;
            transition: transform 0.3s;
  }

  .cmn-toggle-switch__htla span::before {
    -webkit-transform-origin: top right;
        -ms-transform-origin: top right;
            transform-origin: top right;
    -webkit-transition: -webkit-transform 0.3s, width 0.3s, top 0.3s;
            transition: transform 0.3s, width 0.3s, top 0.3s;
  }

  .cmn-toggle-switch__htla span::after {
    -webkit-transform-origin: bottom right;
        -ms-transform-origin: bottom right;
            transform-origin: bottom right;
    -webkit-transition: -webkit-transform 0.3s, width 0.3s, bottom 0.3s;
            transition: transform 0.3s, width 0.3s, bottom 0.3s;
  }

  /* active state, i.e. menu open */
  .cmn-toggle-switch__htla.active {
    background-color: #18903c;
  }

  .cmn-toggle-switch__htla.active span {
    -webkit-transform: rotate(180deg);
        -ms-transform: rotate(180deg);
            transform: rotate(180deg);
  }

  .cmn-toggle-switch__htla.active span::before,
  .cmn-toggle-switch__htla.active span::after {
    width: 50%;
  }

  .cmn-toggle-switch__htla.active span::before {
    top: 0;
    -webkit-transform: translateX(42px) translateY(3px) rotate(45deg);
        -ms-transform: translateX(42px) translateY(3px) rotate(45deg);
            transform: translateX(42px) translateY(3px) rotate(45deg);
  }

  .cmn-toggle-switch__htla.active span::after {
    bottom: 0;
    -webkit-transform: translateX(42px) translateY(-3px) rotate(-45deg);
        -ms-transform: translateX(42px) translateY(-3px) rotate(-45deg);
            transform: translateX(42px) translateY(-3px) rotate(-45deg);
  }

  /**
  * Style 4
  *
  * Hamburger to right-arrow (htra). Hamburger menu transforms to a
  * right-pointing arrow. Usually indicates an off canvas menu sliding in from
  * right that will be close on re-click of the icon.
  */
  .cmn-toggle-switch__htra {
    background-color: #ff9650;
  }

  .cmn-toggle-switch__htra span {
    -webkit-transition: -webkit-transform 0.3s;
            transition: transform 0.3s;
  }

  .cmn-toggle-switch__htra span::before {
    -webkit-transform-origin: top left;
        -ms-transform-origin: top left;
            transform-origin: top left;
    -webkit-transition: -webkit-transform 0.3s, width 0.3s, top 0.3s;
            transition: transform 0.3s, width 0.3s, top 0.3s;
  }

  .cmn-toggle-switch__htra span::after {
    -webkit-transform-origin: bottom left;
        -ms-transform-origin: bottom left;
            transform-origin: bottom left;
    -webkit-transition: -webkit-transform 0.3s, width 0.3s, bottom 0.3s;
            transition: transform 0.3s, width 0.3s, bottom 0.3s;
  }

  /* active state, i.e. menu open */
  .cmn-toggle-switch__htra.active {
    background-color: #e95d00;
  }

  .cmn-toggle-switch__htra.active span {
    -webkit-transform: rotate(180deg);
        -ms-transform: rotate(180deg);
            transform: rotate(180deg);
  }

  .cmn-toggle-switch__htra.active span::before,
  .cmn-toggle-switch__htra.active span::after {
    width: 50%;
  }

  .cmn-toggle-switch__htra.active span::before {
    top: 0;
    -webkit-transform: translateX(-6px) translateY(3px) rotate(-45deg);
        -ms-transform: translateX(-6px) translateY(3px) rotate(-45deg);
            transform: translateX(-6px) translateY(3px) rotate(-45deg);
  }

  .cmn-toggle-switch__htra.active span::after {
    bottom: 0;
    -webkit-transform: translateX(-6px) translateY(-3px) rotate(45deg);
        -ms-transform: translateX(-6px) translateY(-3px) rotate(45deg);
            transform: translateX(-6px) translateY(-3px) rotate(45deg);
  }