style.css [1233:1256]:
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  }
  .mdl-header #sta-menu:checked ~ .m-content label > span {
    background: none;
  }
  .mdl-header #sta-menu:checked ~ .m-content label > span:before,
  .mdl-header #sta-menu:checked ~ .m-content label > span:after {
    top: 0;
    transition: top .3s, transform .3s .3s;
    background-color: #ff542a;
  }
  .mdl-header #sta-menu:checked ~ .m-content label > span:before {
    -ms-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
  }
  .mdl-header #sta-menu:checked ~ .m-content label > span:after {
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
  }
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style.css [1345:1368]:
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  }
  .mdl-header #sta-menu:checked ~ .m-content label > span {
    background: none;
  }
  .mdl-header #sta-menu:checked ~ .m-content label > span:before,
  .mdl-header #sta-menu:checked ~ .m-content label > span:after {
    top: 0;
    transition: top .3s, transform .3s .3s;
    background-color: #ff542a;
  }
  .mdl-header #sta-menu:checked ~ .m-content label > span:before {
    -ms-transform: rotate(-45deg);
    -moz-transform: rotate(-45deg);
    -o-transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
  }
  .mdl-header #sta-menu:checked ~ .m-content label > span:after {
    -ms-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
  }
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