Path menu in pure CSS3

No JavaScript allowed From: https://github.com/victa/path-menu

by danielfilho

HTML

<input type="checkbox" id="menu" class="menuControl" checked="checked">
<label for="menu">
  <div class="circle-container">
      <button class="circle">&#10006;</button>
  </div>
</label>  
<ul class="items">
  <li>&#9733;</li>
  <li>&#9733;</li>
  <li>&#9733;</li>
  <li>&#9733;</li>
  <li>&#9733;</li>
  <li>&#9733;</li>
</ul>

CSS

body {
    background: #ccc;
    font: 13px/18px "Helvetica Neue", Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    font-smoothing: antialiased;
    font-weight: 400;
    color: #333;
    text-shadow: 0 1px 0 white;
}

#main {
    width: 600px;
    margin: 12px 0 0 300px;
}

h1, h2 {
    font-size: 24px;
    margin-bottom: 16px;
    color: #3A3A3A;
    line-height: 1.4;
    font-weight: bold;
}

h2 {
    font-size: 16px;
    padding-top: 8px;
}

p, h2 {
    margin-bottom: 8px;
}

p:last-of-type {
    margin-top: -6px;
}

small {
    font-size: 86.7%;
    color: #9C9A9A;
}

hr {
    height: 0px;
    border: 0px;
    border-top: 1px solid #CCC;
    border-bottom: 1px solid white;
    background: transparent;
    margin: 24px 0;
}

a, a:visited {
    color: #84B9D3;
    font-weight: bold;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

strong {
    font-weight: bold;
}

#menu {
    display: none;
}

#menu:checked ~ label .circle {
    -moz-transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    transform: rotate(0deg);
}

.circle-container {
    position: fixed;
    bottom: 10px;
    left: 10px;
    height: 40px;
    width: 40px;
    -moz-box-shadow: 0 0 10px rgba(0, 0, 0, 0.7);
    -webkit-box-shadow: 0 0 10px rgba(0, 0, 0, 0.7);
    -o-box-shadow: 0 0 10px rgba(0, 0, 0, 0.7);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.7);
    -moz-border-radius: 20px;
    -webkit-border-radius: 20px;
    -o-border-radius: 20px;
    -ms-border-radius: 20px;
    -khtml-border-radius: 20px;
    border-radius: 20px;
}
.circle-container .circle {
    position: fixed;
    bottom: 10px;
    left: 10px;
    height: 40px;
    width: 40px;
    cursor: pointer;
    z-index: 2;
    border: 0px;
    font-size: 30px;
    line-height: 40px;
    text-align: center;
    color: white;
    padding: 0px;
    -moz-transition: all 0.2s linear;
    -webkit-transition: all 0.2s...