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HTML

              
                <div class="list">
  <div class="item">
    <button class="menu-trigger" id="menu01">
      <span></span>
      <span></span>
      <span></span>
    </button>
  </div>
  <div class="item">
    <button class="menu-trigger" id="menu02">
      <span></span>
      <span></span>
      <span></span>
    </button>
  </div>
  <div class="item">
    <button class="menu-trigger" id="menu03">
      <span></span>
      <span></span>
      <span></span>
    </button>
  </div>
  <div class="item">
    <button class="menu-trigger" id="menu04">
      <span></span>
      <span></span>
      <span></span>
    </button>
  </div>
  <div class="item">
    <button class="menu-trigger" id="menu05">
      <span></span>
      <span></span>
      <span></span>
    </button>
  </div>
  <div class="item">
    <button class="menu-trigger" id="menu06">
      <span></span>
      <span></span>
      <span></span>
    </button>
  </div>
  <div class="item">
    <button class="menu-trigger" id="menu07">
      <span></span>
      <span></span>
      <span></span>
    </button>
  </div>
  <div class="item">
    <button class="menu-trigger" id="menu08">
      <span></span>
      <span></span>
      <span></span>
    </button>
  </div>
  <div class="item">
    <button class="menu-trigger" id="menu09">
      <span></span>
      <span></span>
      <span></span>
    </button>
  </div>
  <div class="item">
    <button class="menu-trigger" id="menu10">
      <span></span>
      <span></span>
      <span></span>
    </button>
  </div>
</div>
              
            
!

CSS

              
                * {
  margin: 0;
  padding: 0;
}
html, body {
  height: 100%;
}
body {
  background: url(https://picsum.photos/2000/1200?image=723) center center / cover no-repeat fixed;
}
.list {
  display: flex;
  flex-wrap: wrap;
}
.item {
  position: relative;
  width: 33.33334%;
  height: 200px;
  padding-top: 80px;
  text-align: center;
  box-sizing: border-box;
  counter-increment: item;
}
.item:after {
  position: absolute;
  top: 1.5em;
  left: 1.5em;
  width: 40px;
  height: 40px;
  border: 1px solid #fff;
  content: counter(item);
  color: #fff;
  font-family: 'Open Sans', sans-serif;
  font-size: 20px;
  font-weight: 300;
  text-align: center;
  line-height: 40px;
}
@media only screen and (max-width: 768px) {
  .list {
    display: block;
  }
  .item {
    width: auto;
  }
}


#menu01,
#menu01 span {
  display: inline-block;
  box-sizing: border-box;
}
#menu01 {
  position: relative;
  width: 50px;
  height: 44px;
  background: none;
  border: none;
  appearance: none;
  cursor: pointer;
}
#menu01:focus:not(:focus-visible) {
  outline: none;
}
#menu01::before,
#menu01::after {
  content: '';
}
#menu01::before,
#menu01::after,
#menu01 span {
  position: absolute;
  width: 100%;
  height: 4px;
  background: #fff;
  border-radius: 4px;
  transform-origin: 50% 50%;
  transition: .2s;
}
#menu01::before {
  top: 20px;
  left: 0;
  transform: rotate(45deg) scaleX(0);
}
#menu01::after {
  top: 20px;
  right: 0;
  transform: rotate(-45deg) scaleX(0);
}
#menu01 span:nth-of-type(1) {
  top: 0;
  left: 0;
  transition-delay: .2s;
}
#menu01 span:nth-of-type(2) {
  top: 20px;
  left: 0;
  transition-delay: .2s;
}
#menu01 span:nth-of-type(3) {
  bottom: 0;
  left: 0;
  transition-delay: .2s;
}
#menu01.active::before {
  transform: rotate(45deg) scaleX(1);
  transition-delay: .2s;
}
#menu01.active::after {
  transform: rotate(-45deg) scaleX(1);
  transition-delay: .2s;
}
#menu01.active span {
  transform: scaleX(0);
  transition-delay: 0s;
}

#menu02,
#menu02 span {
  display: inline-block;
  box-sizing: border-box;
}
#menu02 {
  position: relative;
  width: 50px;
  height: 44px;
  background: none;
  border: none;
  appearance: none;
  cursor: pointer;
}
#menu02:focus:not(:focus-visible) {
  outline: none;
}
#menu02 span {
  position: absolute;
  width: 100%;
  height: 4px;
}
#menu02 span::before,
#menu02 span::after {
  content: '';
  position: absolute;
  width: 51%;
  height: 4px;
  background: #fff;
  transition: .2s;
}
#menu02 span::before {
  left: 0;
  border-radius: 4px 0 0 4px;
}
#menu02 span::after {
  right: 0;
  border-radius: 0 4px 4px 0;
}
#menu02 span:nth-of-type(1) {
  top: 0;
  left: 0;
}
#menu02 span:nth-of-type(2) {
  top: 20px;
  left: 0;
}
#menu02 span:nth-of-type(3) {
  bottom: 0;
  left: 0;
}
#menu02.active span:nth-of-type(1)::before {
  transform: translate(4px, 11px) rotate(45deg);
}
#menu02.active span:nth-of-type(1)::after {
  transform: translate(-3px, 11px) rotate(-45deg);
}
#menu02.active span:nth-of-type(2)::before {
  transform: translateX(-75%);
  opacity: 0;
}
#menu02.active span:nth-of-type(2)::after {
  transform: translateX(75%);
  opacity: 0;
}
#menu02.active span:nth-of-type(3)::before {
  transform: translate(4px, -11px) rotate(-45deg);
}
#menu02.active span:nth-of-type(3)::after {
  transform: translate(-3px, -11px) rotate(45deg);
}

#menu03,
#menu03 span {
  display: inline-block;
  box-sizing: border-box;
}
#menu03 {
  position: relative;
  width: 50px;
  height: 44px;
  background: none;
  border: none;
  appearance: none;
  cursor: pointer;
}
#menu03:focus:not(:focus-visible) {
  outline: none;
}
#menu03 span {
  position: absolute;
  width: 100%;
  height: 4px;
  background: #fff;
  border-radius: 4px;
}
#menu03 span:nth-of-type(1) {
  top: 0;
  left: 0;
  transform-origin: 0 0;
  animation: menu03-bar01-close .2s forwards;
}
#menu03 span:nth-of-type(2) {
  top: 20px;
  left: 0;
  transition: .2s;
}
#menu03 span:nth-of-type(3) {
  right: 0;
  bottom: 0;
  transform-origin: 100% 0;
  animation: menu03-bar03-close .2s forwards;
}
#menu03.active span:nth-of-type(1) {
  animation: menu03-bar01-open .4s forwards;
}
#menu03.active span:nth-of-type(2) {
  transform: rotate(-45deg);
  transition-delay: .2s;
}
#menu03.active span:nth-of-type(3) {
  animation: menu03-bar03-open .4s forwards;
}
@keyframes menu03-bar01-open {
  0% {
    width: 100%;
    transform: rotate(0deg) translate(0);
  }
  50% {
    width: 51%;
    transform: rotate(0deg) translate(0);
  }
  100% {
    width: 51%;
    transform: rotate(45deg) translate(8px, -4px);
  }
}
@keyframes menu03-bar01-close {
  0% {
    width: 51%;
    transform: rotate(45deg) translate(8px, -4px);
  }
  100% {
    width: 100%;
    transform: rotate(0deg) translate(0);
  }
}
@keyframes menu03-bar03-open {
  0% {
    width: 100%;
    transform: rotate(0deg) translate(0);
  }
  50% {
    width: 51%;
    transform: rotate(0deg) translate(0);
  }
  100% {
    width: 51%;
    transform: rotate(45deg) translate(-6px, 3px);
  }
}
@keyframes menu03-bar03-close {
  0% {
    width: 51%;
    transform: rotate(45deg) translate(-6px, 3px);
  }
  100% {
    width: 100%;
    transform: rotate(0deg) translate(0);
  }
}

#menu04,
#menu04 span {
  display: inline-block;
  box-sizing: border-box;
}
#menu04 {
  position: relative;
  width: 50px;
  height: 44px;
  background: none;
  border: none;
  appearance: none;
  cursor: pointer;
}
#menu04:focus:not(:focus-visible) {
  outline: none;
}
#menu04 span {
  position: absolute;
  width: 100%;
  height: 4px;
  background: #fff;
  border-radius: 4px;
}
#menu04 span:nth-of-type(1) {
  top: 0;
  left: 0;
  transition: top .3s;
}
#menu04 span:nth-of-type(2) {
  top: 20px;
  left: 0;
  transition: opacity .3s;
}
#menu04 span:nth-of-type(3) {
  bottom: 0;
  left: 0;
  transition: bottom .3s;
}
#menu04.active span:nth-of-type(1) {
  top: 20px;
  transform: rotate(-45deg);
  transition: top .3s cubic-bezier(.36, -.42, .68, -.56), transform .3s .3s;
}
#menu04.active span:nth-of-type(2) {
  opacity: 0;
  transition: opacity .05s .3s;
}
#menu04.active span:nth-of-type(3) {
  bottom: 20px;
  transform: rotate(45deg);
  transition: bottom .3s cubic-bezier(.36, -.42, .68, -.56), transform .3s .3s;
}

#menu05,
#menu05 span {
  display: inline-block;
  box-sizing: border-box;
}
#menu05 {
  position: relative;
  width: 50px;
  height: 44px;
  background: none;
  border: none;
  appearance: none;
  cursor: pointer;
  transition: .6s cubic-bezier(.68, -.5, .32, 1.6);
}
#menu05:focus:not(:focus-visible) {
  outline: none;
}
#menu05 span {
  position: absolute;
  width: 100%;
  height: 4px;
  background: #fff;
  border-radius: 4px;
  transition: .3s .2s;
}
#menu05 span:nth-of-type(1) {
  top: 0;
  left: 0;
}
#menu05 span:nth-of-type(2) {
  top: 20px;
  left: 0;
}
#menu05 span:nth-of-type(3) {
  bottom: 0;
  left: 0;
}
#menu05.active {
  transform: rotate(180deg);
}
#menu05.active span:nth-of-type(1) {
  transform: translateY(20px) rotate(-45deg);
}
#menu05.active span:nth-of-type(2) {
  transform: translateY(0) rotate(45deg);
}
#menu05.active span:nth-of-type(3) {
  opacity: 0;
}

#menu06,
#menu06 span {
  display: inline-block;
  box-sizing: border-box;
}
#menu06 {
  position: relative;
  width: 50px;
  height: 44px;
  background: none;
  border: none;
  appearance: none;
  cursor: pointer;
}
#menu06:focus:not(:focus-visible) {
  outline: none;
}
#menu06::before,
#menu06::after {
  content: '';
}
#menu06::before,
#menu06::after,
#menu06 span {
  position: absolute;
  width: 100%;
  height: 4px;
  background: #fff;
  border-radius: 4px;
  transition: .2s;
}
#menu06::before {
  top: 3px;
  left: 8px;
  transform-origin: 0 0;
  transform: rotate(45deg) scaleX(0);
  transition-delay: 0s;
}
#menu06::after {
  bottom: 3px;
  left: 8px;
  transform-origin: 0 100%;
  transform: rotate(-45deg) scaleX(0);
  transition-delay: 0s;
}
#menu06 span:nth-of-type(1) {
  top: 0;
  left: 0;
  transform-origin: 0 0;
  transition-delay: .3s;
}
#menu06 span:nth-of-type(2) {
  top: 20px;
  left: 0;
  transform-origin: 50% 50%;
  transition-delay: .3s;
}
#menu06 span:nth-of-type(3) {
  right: 0;
  bottom: 0;
  transform-origin: 100% 0;
  transition-delay: .3s;
}
#menu06.active::before {
  transform: rotate(45deg) scaleX(1);
  transition-delay: .3s;
}
#menu06.active::after {
  transform: rotate(-45deg) scaleX(1);
  transition-delay: .3s;
}
#menu06.active span:nth-of-type(-n+3) {
  transform: scaleX(0);
  transition-delay: 0s;
}

#menu07,
#menu07 span {
  display: inline-block;
  box-sizing: border-box;
}
#menu07 {
  position: relative;
  width: 50px;
  height: 44px;
  background: none;
  border: none;
  appearance: none;
  cursor: pointer;
}
#menu07:focus:not(:focus-visible) {
  outline: none;
}
#menu07::before,
#menu07::after {
  content: '';
}
#menu07::before,
#menu07::after,
#menu07 span {
  position: absolute;
  width: 100%;
  height: 4px;
  background: #fff;
  border-radius: 4px;
  transition: .2s;
}
#menu07::before {
  top: 3px;
  left: 8px;
  transform-origin: 0 0;
  transform: rotate(45deg) scaleX(0);
  transition-delay: 0s;
}
#menu07::after {
  top: 3px;
  right: 9px;
  transform-origin: 100% 0;
  transform: rotate(-45deg) scaleX(0);
  transition-delay: .2s;
}
#menu07 span:nth-of-type(1) {
  top: 0;
  left: 0;
  transform-origin: 0 0;
  transition-delay: .5s;
}
#menu07 span:nth-of-type(2) {
  top: 20px;
  left: 0;
  transform-origin: 50% 50%;
  transition-delay: .5s;
}
#menu07 span:nth-of-type(3) {
  right: 0;
  bottom: 0;
  transform-origin: 100% 0;
  transition-delay: .5s;
}
#menu07.active::before {
  transform: rotate(45deg) scaleX(1);
  transition-delay: .3s;
}
#menu07.active::after {
  transform: rotate(-45deg) scaleX(1);
  transition-delay: .5s;
}
#menu07.active span:nth-of-type(-n+3) {
  transform: scaleX(0);
  transition-delay: 0s;
}

#menu08,
#menu08 span {
  display: inline-block;
  box-sizing: border-box;
}
#menu08 {
  position: relative;
  width: 50px;
  height: 44px;
  background: none;
  border: none;
  appearance: none;
  cursor: pointer;
}
#menu08:focus:not(:focus-visible) {
  outline: none;
}
#menu08::before,
#menu08::after {
  content: '';
}
#menu08::before,
#menu08::after,
#menu08 span {
  position: absolute;
  width: 100%;
  height: 4px;
  background: #fff;
  border-radius: 4px;
  transition: .2s;
}
#menu08::before {
  top: 3px;
  left: 8px;
  transform-origin: 0 0;
  transform: rotate(45deg) scaleX(0);
  transition-delay: 0s;
}
#menu08::after {
  top: 3px;
  right: 9px;
  transform-origin: 100% 0;
  transform: rotate(-45deg) scaleX(0);
  transition-delay: .2s;
}
#menu08 span:nth-of-type(-n+3) {
  left: 0;
  transform-origin: 100% 0;
  transition-delay: .5s;
}
#menu08 span:nth-of-type(1) {
  top: 0;
}
#menu08 span:nth-of-type(2) {
  top: 20px;
}
#menu08 span:nth-of-type(3) {
  bottom: 0;
}
#menu08.active::before {
  transform: rotate(45deg) scaleX(1);
  transition-delay: .6s;
}
#menu08.active::after {
  transform: rotate(-45deg) scaleX(1);
  transition-delay: .8s;
}
#menu08.active span:nth-of-type(-n+3) {
  transform: scaleX(0);
}
#menu08.active span:nth-of-type(1) {
  transition-delay: .1s;
}
#menu08.active span:nth-of-type(2) {
  transition-delay: .25s;
}
#menu08.active span:nth-of-type(3) {
  transition-delay: .4s;
}

#menu09,
#menu09 span {
  display: inline-block;
  box-sizing: border-box;
}
#menu09 {
  position: relative;
  width: 50px;
  height: 44px;
  background: none;
  border: none;
  appearance: none;
  cursor: pointer;
}
#menu09:focus:not(:focus-visible) {
  outline: none;
}
#menu09::before,
#menu09::after {
  content: '';
}
#menu09::before,
#menu09::after,
#menu09 span {
  position: absolute;
  width: 100%;
  height: 4px;
  background: #fff;
  border-radius: 4px;
  transition: .2s;
}
#menu09::before {
  top: 3px;
  left: 8px;
  transform-origin: 0 0;
  transform: rotate(45deg) scaleX(0);
  transition-delay: 0s;
}
#menu09::after {
  top: 3px;
  right: 9px;
  transform-origin: 100% 0;
  transform: rotate(-45deg) scaleX(0);
  transition-delay: .2s;
}
#menu09 span:nth-of-type(1) {
  top: 0;
  left: 0;
  transition-delay: .4s;
}
#menu09 span:nth-of-type(2) {
  top: 20px;
  left: 0;
  transition-delay: .55s;
}
#menu09 span:nth-of-type(3) {
  bottom: 0;
  left: 0;
  transition-delay: .7s;
}
#menu09.active::before {
  transform: rotate(45deg) scaleX(1);
  transition-delay: .6s;
}
#menu09.active::after {
  transform: rotate(-45deg) scaleX(1);
  transition-delay: .8s;
}
#menu09.active span:nth-of-type(-n+3) {
  transform: translateX(20px);
  opacity: 0;
}
#menu09.active span:nth-of-type(1) {
  transition-delay: .1s;
}
#menu09.active span:nth-of-type(2) {
  transition-delay: .25s;
}
#menu09.active span:nth-of-type(3) {
  transition-delay: .4s;
}

#menu10,
#menu10 span {
  display: inline-block;
  box-sizing: border-box;
}
#menu10 {
  position: relative;
  width: 50px;
  height: 44px;
  background: none;
  border: none;
  appearance: none;
  cursor: pointer;
}
#menu10:focus:not(:focus-visible) {
  outline: none;
}
#menu10::before,
#menu10::after {
  content: '';
}
#menu10::before,
#menu10::after,
#menu10 span {
  position: absolute;
  width: 100%;
  height: 4px;
  background: #fff;
  border-radius: 4px;
}
#menu10::before {
  top: 3px;
  left: 8px;
  transform-origin: 0 0;
  transform: rotate(45deg) scaleX(0);
  transition: .2s;
}
#menu10::after {
  top: 3px;
  right: 9px;
  transform-origin: 100% 0;
  transform: rotate(-45deg) scaleX(0);
  transition: .2s .2s;
}
#menu10 span:nth-of-type(-n+3) {
  left: 0;
  transition: .2s .4s;
}
#menu10 span:nth-of-type(1) {
  top: 0;
}
#menu10 span:nth-of-type(2) {
  top: 20px;
}
#menu10 span:nth-of-type(3) {
  bottom: 0;
}
#menu10.active::before {
  transform: rotate(45deg) scaleX(1);
  transition-delay: .8s;
}
#menu10.active::after {
  transform: rotate(-45deg) scaleX(1);
  transition-delay: 1s;
}
#menu10.active span:nth-of-type(-n+3) {
  transform: translateX(20px);
  transition: .4s cubic-bezier(.68, -2, .32, 1.6);
  opacity: 0;
}
#menu10.active span:nth-of-type(2) {
  transition-delay: .1s;
}
#menu10.active span:nth-of-type(3) {
  transition-delay: .3s;
}
              
            
!

JS

              
                const triggers = document.querySelectorAll('.menu-trigger'),
      activeClass = 'active';
triggers.forEach((trigger) => {
  trigger.addEventListener('click', (e) => {
    e.currentTarget.classList.toggle(activeClass);
  });
});
              
            
!
999px

Console