grafana/public/sass/components/_sidemenu.scss

.sidemenu-canvas {
  position: relative;
}

.sidemenu-wrapper {
  position: absolute;
  top: 52px;
  left: 0;
  width: $side-menu-width;
  background-color: rgba($side-menu-bg,$side-menu-opacity);
  z-index: 1000;
  opacity: 0;
  visibility: hidden;

  a:focus {
    text-decoration: none;
  }
}

.sidemenu-open {
  .sidemenu-wrapper {
    visibility: visible;
    //transform: translate3d(0, 0, 0);
    opacity: 1;
    transition: opacity 0.3s;
  }
}

.sidemenu-pinned {
  .sidemenu-wrapper {
    min-height: calc(100% - 54px);
  }
  .dashboard-container {
    padding-left: $side-menu-width + 0.5rem;
  }
  .page-container {
    margin-left: $side-menu-width;
  }
  .search-container {
    left: $side-menu-width;
  }
}

.sidemenu {
  list-style: none;
  margin: 0;
  padding: 0;

  > li {
    position: relative;
    @include left-brand-border();

    &.active,
    &:hover {
      background-color: $side-menu-item-hover-bg;
      @include left-brand-border-gradient();

      .dropdown-menu {
        display: block;
        opacity: 0;
        top: 0px;
        // important to overlap it otherwise it can be hidden
        // again by the mouse getting outside the hover space
        left: $side-menu-width - 0.2rem;
        background-color: rgba($side-menu-bg,$side-menu-opacity);
        @include animation('dropdown-anim 150ms ease-in-out 100ms forwards');
        z-index: -9999;
      }
    }
  }
}

@include keyframes(dropdown-anim) {
  0% {
    opacity: 0;
    transform: translate3d(-5%,0,0);
  }
  100% {
    opacity: 1;
    transform: translate3d(0,0,0);
  }
}

.sidemenu-main-link {
  font-size: 16px;
}

.sidemenu-item-text {
  width: 110px;
  display: inline-block;
  vertical-align: middle;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.icon-circle {
  width: 40px;
  height: 40px;
  display: inline-block;
  i {
    color: $link-color;
    opacity: .7;
    position: relative;
    left: 7px;
    top: 5px;
    font-size: 150%;
  }
  img {
    left: 7px;
    position: relative;
  }
}

.sidemenu-item {
  color: $link-color;
  line-height: 47px;
  padding: 0px 10px 0px 10px;
  display: block;
  border-left: 1px solid transparent;


  .sidemenu-item-text {
    padding-left: 11px;
  }

  img {
    border-radius: 50%;
    width: 28px;
    height: 28px;
    box-shadow: 0 0 14px 2px rgba(255,255,255, 0.05);
  }
}

.sidemenu-section-tagline {
  font-style: italic;
  line-height: 10px;
}

.sidemenu-section-text-wrapper {
  padding-top: 4px;
}

.sidemenu-org-section .dropdown-menu-title {
  margin: 0 10px 0 6px;
  padding: 7px 0 7px;
  overflow: hidden;
  color: $dropdownTitle;
}

.sidemenu-org-section .dropdown-menu-title > span {
  display: inline-block;
  position: relative;

  &::after {
    display: block;
    position: absolute;
    top: 50%;
    right: 0;
    left: 100%;
    width: 200px;
    height: 1px;
    margin-left: 5px;
    background: $dropdownDivider;
    content: '';
  }
}

.sidemenu-org {
  padding: 17px 10px 15px 14px;
  box-sizing: border-box;
  cursor: pointer;
  display: table;
  position: relative;
  width: 100%;
}

.sidemenu .fa-caret-right {
  position: absolute;
  top: 38%;
  right: 6px;
  font-size: 14px;
  color: $text-color-faint;
}

.sidemenu-org-avatar,
.sidemenu-org-details {
  display: table-cell;
  vertical-align: top;
}

.sidemenu-org-avatar {
  width: 40px;
  height: 40px;
  background-color: $gray-2;
  border-radius: 50%;
  text-align: center;

  >img {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    left: 14px;
  }
}

.sidemenu-org-avatar--missing {
  color: $gray-4;
  text-shadow: 0 1px 0 $dark-1;
  line-height: 40px;
  font-size: $font-size-lg;
}

.sidemenu-org-details {
  padding-left: 10px;
  color: $link-color;
}

.sidemenu-org-name {
  display: block;
  font-size: 13px;
  color: $link-color-disabled;
}

.sidemenu-org-user {
  display: block;
}