app/addons/fauxton/assets/scss/_navigation.scss

.faux-navbar {
  background-color: $cf-navbar-bg;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 5;
  overflow-x: hidden;
  overflow-y: auto;
}

.faux-navbar nav {
  height: 100%;
}

.faux-navbar__linkcontainer {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.faux-navbar__itemarea {
  box-sizing: border-box;
  border-bottom: 1px solid $cf-navbar-bg;
  height: 48px;
  padding: 10px 20px;
  line-height: 24px;
}

.faux-navbar__version-footer {
  color: $cf-navbar-color;
  font-size: 10px;
  text-align: center;
  background-color: $cf-navbar-bg;
  padding-bottom: 10px;
}

.faux-navbar__burger {
  background-color: $cf-navbar-bg;
  padding: 18px 0 18px 20px;
  min-height: 64px;
  line-height: 32px;
}

.faux-navbar--narrow {
  width: $cf-navbar-width-collapsed;
}

.faux-navbar--wide {
  width: $cf-navbar-width;
}

.faux-navbar__burger:hover .faux-navbar__burger__icon {
  color: $cf-navbar-item-color-hover;
}

.faux-navbar__burger__icon {
  color: $cf-navbar-item-color;
  font-size: 24px;
}

.faux-navbar__link,
.faux-logout__link,
.faux-login__link {
  display: block;
  text-decoration: none;
  cursor: pointer;
}

.faux-navbar__link--active {
  background-color: $cf-navbar-item-bg-active;
  text-decoration: none;
}

.faux-navbar__link--inactive {
  background-color: $cf-navbar-item-bg;
}

.faux-navbar__link:hover,
.faux-logout__link:hover,
.faux-login__link:hover {
  background-color: $cf-navbar-item-bg-hover;
  text-decoration: none;
}

.faux-logout__link:hover {
  .faux-navbar__logout__text, .faux-navbar__logout__username {
    color: $cf-navbar-item-color-hover;
  }
}

.faux-navbar__link:active,
.faux-navbar__link:focus {
  text-decoration: none;
}

.faux-navbar__link:hover {
  .faux-navbar__icon:before {
    color: $cf-navbar-item-color-hover;
  }
  .faux-navbar__text {
    color: $cf-navbar-item-color-hover;
  }
}

.faux-navbar__link--active {
  .faux-navbar__icon:before {
    color: $cf-navbar-item-color-active;
  }
  .faux-navbar__text {
    color: $cf-navbar-item-color-active;
  }
}

.faux-navbar__icon {
  margin-right: 14px;
  color: $cf-navbar-item-color;
  font-size: 24px;
  vertical-align: middle;
  position: relative;
}

.faux-navbar__icon-badge:after {
  content: "";
  display: inline-block;
  position: relative;
  top: -42px;
  right: 8px;
  background: $cf-navbar-item-badge-bg;
  border: 1px solid $cf-navbar-item-badge-bg;
  height: 8px;
  width: 8px;
  text-align: center;
  font-size: 0.5rem;
  border-radius: 50%;
}

.faux-navbar__link:hover .faux-navbar__icon-badge:after {
  border-color: $cf-navbar-item-badge-bg-hover;
  background-color: $cf-navbar-item-badge-bg-hover;
}

.faux-navbar__link--active .faux-navbar__icon-badge:after {
  border-color: $cf-navbar-item-badge-bg-active;
  background-color: $cf-navbar-item-badge-bg-active;
}

.faux-navbar__text {
  color: $cf-navbar-color;
  vertical-align: middle;
}

.faux-navbar__logout__text {
  font-size: 0.75rem;
  color: $cf-navbar-color;
}

.faux-navbar__logout__textcontainer {
  text-align: center;
  color: $cf-navbar-color;
}

.faux-navbar__logout__textcontainer--narrow {
  padding-bottom: 4px;
  padding: 15px 0;
}

.faux-navbar__logout__textcontainer--wide {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 15px;
}

.faux-navbar__login__textcontainer {
  text-align: center;
  color: $cf-navbar-color;
}

.faux-navbar__login__textcontainer--narrow {
  padding-bottom: 4px;
  padding: 15px 0;
}

.faux-navbar__login__textcontainer--wide {
  padding: 15px;
}

.faux-navbar__brand {
  margin: 20px 0 20px 0;
  height: 50px;
  padding: 10px 10px 10px 10px;
  float: none;
  background: $cf-navbar-bg;
}

.faux-navbar__brand-logo {
  display: block;
  height: 100%;
  margin-top: 10px;
}

.faux-navbar__brand-logo--wide {
  background: url($largeLogoPath) no-repeat 23px 0px;
  background-size: 150px;
  width: 200px;
}

.faux-navbar__brand-logo--narrow {
  width: 43px;
  height: 40px;
  background: url($smallLogoPath) no-repeat 3px 0;
  background-size: 40px;
}

.faux-navbar__footer {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  height: 100%;
  min-height: 200px;
  width: 100%;
}

.faux-navbar__logout__username {
  color: $cf-navbar-color;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
  white-space: nowrap;
  padding-right: 5px;
  padding-left: 10px;
  font-size: 12px;
}