toolbar.css

.toolbar {
  display: none;
  position: relative;
  background-color: #f4f4f4;
  color: #666;
  border-bottom: 1px solid #ccc;
  overflow: hidden;
  justify-content: space-between;
  padding: 0px 5px 5px 5px;
  flex-shrink: 0;
}
.toolbar ul {
  list-style: none;
  z-index: 2;
  overflow: hidden;
  margin: 0;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
}
.toolbar ul.menu_right {
  flex-shrink: 0; /* prevent from shrinking */
}
.toolbar ul li, .toolbar ul > div {
  display: flex; /* transfer flexbox positionning to children */
}
.toolbar ul li {
  margin-top: 5px; /* when icons goes multi rows, have space betwwen each row */
}
.toolbar ul li.separator {
  visibility: hidden;
  width: 10px;
}
.toolbar ul li a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 28px;
  border: 1px solid #ccc;
  border-radius: 3px;
  background: #fff;
  cursor: pointer;
  overflow: hidden;
  text-decoration: none;
  transition: background-color .1s;
}
.toolbar ul li a.pressed button:active, .toolbar ul li a.pressed button:focus {
  outline: 0;
  border: none;
}
.toolbar ul li a:hover {
  text-decoration: none;
  background-color: #f2f2f2;
}
.toolbar ul li a:active, .toolbar ul li a:focus {
  background: #ddd;
}
.toolbar ul li a.selected {
  background: #dadada;
}

.toolbar ul li a.grouped-left {
  border-radius: 3px 0 0 3px;
}
.toolbar ul li a.grouped-middle {
  border-radius: 0;
  border-left: 0;
}
.toolbar ul li a.grouped-right {
  border-radius: 0 3px 3px 0;
  border-left: 0;
}

.toolbar ul li[data-key=showusers] > a {
  min-width: 35px;
}
.toolbar ul li[data-key=showusers] > a .buttonicon-showusers {
  padding-left: 3px;
}
.toolbar ul li[data-key=showusers] > a #online_count {
  font-weight: bold;
  font-size: 11px;
  position: relative;
  padding-left: 7px;
}

.toolbar #toolbar-overlay {
  z-index: 500;
  display: none;
  width: 100%;
  position: absolute;
  height: inherit;
  left: 0;
  top: 0;
  bottom: 0;
  right: 0;
}

.toolbar .show-more-icon-btn {
  /* Reset user-agent <button> styling introduced when this was converted
     from <span> for a11y. Without these the native button border/background
     leak through and shift the glyph off-centre. */
  appearance: none;
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
  font: inherit;
  display:none;
  cursor: pointer;
  height: 39px;
  width: 39px;
  line-height: 39px;
  text-align: center;
  font-weight: bold;
  font-size: 2rem;
  z-index: 20;
}

.toolbar.cropped .menu_left {
  width: calc(100% - 39px);
  height: 33px;
  flex-wrap: wrap;
}
.toolbar.cropped .show-more-icon-btn {
  display: block;
  position: absolute;
  /*border-bottom: 1px solid #d2d2d2;*/
  right: 0;
  top: 0;
}
.toolbar.cropped .show-more-icon-btn:after {
  content: "+";
}
.toolbar.full-icons .show-more-icon-btn {
  line-height: 35px;
}
.toolbar.full-icons .show-more-icon-btn:after {
  content: "-";
}
.toolbar.full-icons .menu_left {
  height: auto !important;
  overflow: visible;
}

@media only screen and (max-width: 800px) {
  .toolbar ul li.separator {
    width: 5px;
  }
}

/* menu_right act like a new toolbar on the bottom of the screen */
.mobile-layout .toolbar .menu_right {
  position: fixed;
  bottom: 0;
  right: 0;
  left: 0;
  border-top: 1px solid #ccc;
  background-color: #f4f4f4;
  padding: 0 5px 5px 5px;
}
.mobile-layout .toolbar ul.menu_right > li {
  margin-right: 8px;
}
.mobile-layout .toolbar ul.menu_right > li[data-key="showusers"] {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  margin: 0;
}
.mobile-layout .toolbar ul.menu_right > li[data-key="showusers"] a {
  height: 100%;
  width: 40px;
  border-radius: 0;
}
.mobile-layout .toolbar ul.menu_right > li.separator {
  display: none;
}
.mobile-layout .toolbar ul.menu_right > li a {
  border: none;
  margin-left: 5px;
}
.mobile-layout .toolbar ul.menu_right > li a:not(.selected) {
  background-color: transparent;
}