fediparty/themes/starter/source/assets/scss/modules/_navbar.scss

.navbar {
  position: fixed;
  top: 0;
  right: 0;
  z-index: $zIndex--4;
  padding: .4em;
  color: $white;
  font-family: $font-secondary;
}

.navbar svg {
  fill: $white;
}

.nav svg {
  height: 10px;
  width: 10px;
  margin-right: 4px;
}

.navbar .menu {
  display: flex;
  justify-content: flex-end;
  flex: 96% 0 0;
  padding-right: 1.5em;
}

.navbar li {
  text-transform: uppercase;
  font-family: $font-secondary;
  color: $grey;
  line-height: 2.2;
  width: 100%;
}

.navbar li.todo {
  text-align: center;
  padding-right: 1.2em;
}

.navbar a {
  border-bottom: none;
  display: block;
  padding: 0 0 .1em 2.2em;
}

.navbar a:hover,
.navbar a:focus {
  color: $golden;
  background-size: 2.5em 2.5em;
}

.navbar li:not(:last-child):hover svg {
  fill: $golden;
}

.overlay,
.control,
.control ~ .slideout {
  display: none;
}

.control ~ .slideout {
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 100vh;
  padding: 8em 0 1em 0;
  background-color: $white;
  display: inline-block;
  transform: matrix(1, 0, 0, 1, 220, 0);
  transition: all .3s cubic-bezier(.77, 0, .175, 1);
}

.control:checked ~ .slideout {
  transform: matrix(1, 0, 0, 1, 0, 0);
}

.slideout label {
  position: fixed;
  top: 0;
  right: 200px;
  width: 0;
  height: 0;
  z-index: -1;
  background-color: rgba(0, 0, 0, .5);
}

.control:checked ~ .slideout label {
  width: 100vw;
  height: 100vh;
}

.slideout a {
  color: $black;
}

.hamburger {
  position: absolute;
  width: 200px;
  height: 165px;
  top: -70px;
  right: -85px;
  background-color: $black;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  z-index: $zIndex--4;
  padding: .4em;
  color: $white;
  font-family: $font-secondary;
}

.hamburg-box {
  cursor: pointer;
  position: relative;
  left: 3px;
  top: 33px;
  width: 120px;
  height: 70px;
  text-align: center;
}

.hamburger svg {
  fill: $white;
  width: 28px;
  height: 28px;
  margin-left: 5px;
  margin-top: -10px;
}

.hamburger svg:last-of-type {
  display: none;
  margin-left: 47px;
  margin-top: 1px;
}

.hamburger:hover svg {
  fill: $golden;
}

.overlay:not(:checked) ~ .hamburger svg:first-of-type {
  display: none;
}

.overlay:not(:checked) ~ .hamburger svg:last-of-type {
  display: block;
}

.revealer {
  position: absolute;
  bottom: 1.8em;
  width: 100%;
  text-align: center;
  font-size: .85rem;
}

.revealer__toggle {
  display: block;
  position: absolute;
  font-size: 0;
  z-index: 4;
  cursor: pointer;
  border: none;
  background: transparent;
  height: 34px;
  width: 100%;
}

.revealer__toggle:focus {
  outline: 0;
}

.revealer__text {
  position: absolute;
  font-family: $font-secondary;
  cursor: pointer;
  background: none;
  color: $black;
  border: 0;
  width: 100%;
}

.revealer__toggle,
.revealer__text {
  bottom: 0;
}

.revealer__toggle:hover ~ .revealer__text > span {
  outline: none;
  border-bottom: 1px solid $golden;
}

// .u-hidden {
//   visibility: hidden;
//   opacity: 0;
//   transform: matrix(1, 0, 0, 1, 0, 0);
//   transition: .25s ease;
//   margin-bottom: .5em;
// }

// .u-hidden.open {
//   visibility: visible;
//   opacity: 1;
//   transform: matrix(1, 0, 0, 1, 0, -3);
// }

.u-hidden.source {
  transform: matrix(1, 0, 0, 1, 0, -30);
}

.u-hidden.source > a {
  padding: 0;
}

.revealer__toggle:focus ~ .revealer__text {
  z-index: 5;
}

.revealer__toggle:focus ~ .revealer__text > span {
  outline: none;
  border-bottom: 1px solid $golden;
}

.revealer__toggle:focus ~ .u-hidden {
  opacity: 1;
  visibility:visible;
  transform: matrix(1, 0, 0, 1, 0, -35);
}


@media screen and (max-width: $mq-small) {
  .hamburger {
    width: 170px;
    top: -80px;
    right: -75px;
  }

  .hamburg-box {
    top: 45px;
    width: 95px;
  }

  .hamburger svg:last-of-type {
    margin-left: 30px;
  }

  .navbar li:not(:last-child) {
    line-height: 2.5;
  }

  .revealer {
    display: none;
  }
}