@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 300;
    src: local('Open Sans Light'), local('OpenSans-Light'), url(https://fonts.gstatic.com/s/opensans/v16/mem5YaGs126MiZpBA-UN_r8OUuhs.ttf) format('truetype');
  }
  @font-face {
    font-family: 'Pacifico';
    font-style: normal;
    font-weight: 400;
    src: local('Pacifico Regular'), local('Pacifico-Regular'), url(https://fonts.gstatic.com/s/pacifico/v13/FwZY7-Qmy14u9lezJ-6H6Mw.ttf) format('truetype');
  }
  .flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  * {
    box-sizing: border-box;
    font-family: 'Open Sans', sans-serif;
    font-weight: 300;
  }
  a,
  a:visited,
  a:hover,
  a:active {
    color: inherit;
    text-decoration: none;
  }
  h1 {
    font-family: 'Pacifico', cursive;
    font-weight: 400;
    font-size: 3em;
    text-align: center;
  }
  .outer-menu {
    position: fixed;
    top: 3vh;
    left: calc(100% - 60px);
    z-index: 100;
  }
  .outer-menu .checkbox-toggle {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    cursor: pointer;
    width: 60px;
    height: 60px;
    opacity: 0;
  }
  .outer-menu .checkbox-toggle:checked + .hamburger > div {
    -webkit-transform: rotate(135deg);
            transform: rotate(135deg);
  }
  .outer-menu .checkbox-toggle:checked + .hamburger > div:before,
  .outer-menu .checkbox-toggle:checked + .hamburger > div:after {
    top: 0;
    -webkit-transform: rotate(90deg);
            transform: rotate(90deg);
  }
  .outer-menu .checkbox-toggle:checked + .hamburger > div:after {
    opacity: 0;
  }
  .outer-menu .checkbox-toggle:checked ~ .menu {
    pointer-events: auto;
    visibility: visible;
  }
  .outer-menu .checkbox-toggle:checked ~ .menu > div {
    -webkit-transform: scale(1);
            transform: scale(1);
    transition-duration: 0.75s;
  }
  .outer-menu .checkbox-toggle:checked ~ .menu > div > div {
    opacity: 1;
    transition: opacity 0.4s ease 0.4s;
  }
  
  .outer-menu .checkbox-toggle:checked:hover + .hamburger > div {
    -webkit-transform: rotate(225deg);
            transform: rotate(225deg);
  }
  .outer-menu .hamburger {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 60px;
    height: 60px;
    padding: 0.5em 1em;
    border-radius: 50%;
    cursor: pointer;
    transition: box-shadow 0.4s ease;
    -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .outer-menu .hamburger > div {
    position: relative;
    flex: none;
    width: 100%;
    height: 2px;
    background: #282828;
    transition: all 0.4s ease;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .outer-menu .hamburger > div:before,
  .outer-menu .hamburger > div:after {
    content: '';
    position: absolute;
    z-index: 1;
    top: -10px;
    left: 0;
    width: 100%;
    height: 2px;
    background: inherit;
    transition: all 0.4s ease;
  }
  .outer-menu .hamburger > div:after {
    top: 10px;
  }
  .outer-menu .menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    visibility: hidden;
    overflow: hidden;
    -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
    outline: 1px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .outer-menu .menu > div {
    width: 200vw;
    height: 200vw;
    color: #FEFEFE;
    background: rgba(88, 88, 88, 0.85);
    border-radius: 50%;
    transition: all 0.4s ease;
    flex: none;
    -webkit-transform: scale(0);
            transform: scale(0);
    -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .outer-menu .menu > div > div {
    text-align: center;
    max-width: 90vw;
    max-height: 100vh;
    opacity: 0;
    transition: opacity 0.4s ease;
    overflow-y: auto;
    flex: none;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .outer-menu .menu > div > div > ul {
    list-style: none;
    padding: 0 1em;
    margin: 0;
    display: block;
    max-height: 100vh;
  }
  .outer-menu .menu > div > div > ul > li {
    padding: 0;
    margin: 1em;
    font-size: 24px;
    display: block;
  }
  .outer-menu .menu > div > div > ul > li > a {
    position: relative;
    display: inline;
    cursor: pointer;
    transition: color 0.4s ease;
  }
  .outer-menu .menu > div > div > ul > li > a:hover {
    color: #e5e5e5;
  }
  .outer-menu .menu > div > div > ul > li > a:hover:after {
    width: 100%;
  }
  .outer-menu .menu > div > div > ul > li > a:after {
    content: '';
    position: absolute;
    z-index: 1;
    bottom: -0.15em;
    left: 0;
    width: 0;
    height: 2px;
    background: #e5e5e5;
    transition: width 0.4s ease;
  }