.wrapper {
  width: 100%;
  padding-left: 200px;
  transition-duration: 0.5s;
}
.wrapper .sidebar {
  width: 200px;
  height: calc(100vh);
  position: absolute;
  left: 0px;
  background: #333;
  white-space: nowrap;
  transition-duration: 0.5s;
  z-index: 1000;
}
.wrapper .sidebar .sb-item-list {
  width: 100%;
  height: calc(100% - 50px);
}
.wrapper .sidebar .sb-item-list > .sb-item > .sb-text {
  position: absolute;
  transition-duration: 0.5s;
}
.wrapper .sidebar .sb-item {
  display: block;
  width: 100%;
  line-height: 50px;
  color: #ccc;
  background: #333;
  cursor: pointer;
  padding-left: 7px;
}
.wrapper .sidebar .sb-item.active {
  border-left: solid 3px green;
  box-sizing: border-box;
}
.wrapper .sidebar .sb-item.active > .sb-icon {
  margin-left: -3px;
}
.wrapper .sidebar .sb-icon {
  padding-left: 10px;
  padding-right: 20px;
}
.wrapper .sidebar .sb-item:hover,
.wrapper .sidebar .sb-item.active {
  filter: brightness(130%);
}

.wrapper .sb-menu {
  position: relative;
}
.wrapper .sb-menu:after {
  content: " ";
  width: 0;
  height: 0;
  display: block;
  float: right;
  margin-top: 19px;
  margin-left: -12px;
  margin-right: 5px;
  border: solid 5px transparent;
  border-left-color: #eee;
}
.wrapper .sb-menu > .sb-submenu {
  display: none;
}
.wrapper .sb-menu:hover > .sb-submenu {
  position: absolute;
  display: block;
  width: 200px;
  top: 0;
  left: calc(100% + 1px);
}

.wrapper .sb-submenu > .sb-item:first-child {
  border-radius: 8px 8px 0px 0px;
}

.wrapper .sb-submenu > .sb-item:last-child {
  border-radius: 0px 0px 8px 8px;
}

.wrapper .btn-toggle-sidebar {
  position: absolute;
  left: 0;
  bottom: 0;
  border-top: 1px solid #aaa;
  user-select: none;
}
.wrapper .btn-toggle-sidebar .sb-icon {
  padding-left: 15px;
}
.wrapper .btn-toggle-sidebar .sb-icon.fa-angle-double-left {
  display: inline-block;
}
.wrapper .btn-toggle-sidebar .sb-icon.fa-angle-double-right {
  display: none;
}

.wrapper.sidebar-collapse {
  padding-left: 60px;
}
.wrapper.sidebar-collapse .sidebar {
  width: 60px;
}
.wrapper.sidebar-collapse .sb-item-list > .sb-item > .sb-text {
  position: absolute;
  transform: translateX(-200%);
  opacity: 0;
}

.wrapper.sidebar-collapse .btn-toggle-sidebar .sb-icon.fa-angle-double-left {
  display: none;
}
.wrapper.sidebar-collapse .btn-toggle-sidebar .sb-icon.fa-angle-double-right {
  display: inline-block;
}