css 动画汉堡包图标

Posted 2021-05-13

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/* Hamburger Icon */

#mobile-toggle {
  width: 50px;
  height: 45px;
  position: relative;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -o-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: .5s ease-in-out;
  -moz-transition: .5s ease-in-out;
  -o-transition: .5s ease-in-out;
  transition: .5s ease-in-out;
  cursor: pointer;
}

#mobile-toggle span {
  display: block;
  position: absolute;
  height: 4px;
  width: 100%;
  background: #2e3389;
  border-radius: 4px;
  opacity: 1;
  left: 0;
  -webkit-transform: rotate(0deg);
  -moz-transform: rotate(0deg);
  -ms-transform: rotate(0deg);
  transform: rotate(0deg);
  -webkit-transition: .25s ease-in-out;
  -moz-transition: .25s ease-in-out;
  -ms-transition: .25s ease-in-out;
  transition: .25s ease-in-out;
}

#mobile-toggle span:nth-child(1) {
  top: 0px;
}

#mobile-toggle span:nth-child(2),#mobile-toggle span:nth-child(3) {
  top: 16px;
}

#mobile-toggle span:nth-child(4) {
  top: 34px;
}

#mobile-toggle.active span:nth-child(1) {
  top: 18px;
  width: 0%;
  left: 50%;
}

#mobile-toggle.active span:nth-child(2) {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}

#mobile-toggle.active span:nth-child(3) {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

#mobile-toggle.active span:nth-child(4) {
  top: 18px;
  width: 0%;
  left: 50%;
}

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