m {
      animation: 0.75s anim-in;
    }

    .node .toggle:checked + .anim:after {
      animation: anim-in-pseudo 0.75s;
    }

    .node .toggle:not(:checked) + .anim {
      animation: anim-out 0.75s;
    }

    .node .toggle:not(:checked) + .anim:after {
      animation: anim-out-pseudo 0.75s;
    }

    .node {
      background: #ed3f14;
    }

    .node:hover {
      opacity: 0.8;
    }

    .ruby:active {
      opacity: 0.8;
    }

    .ruby:hover > .anim {
      animation: anim-out 0.75s;
    }

 