MessagePractise/resources/scss/base/core/layouts/_sidebar.scss

/*=========================================================================================
    File Name: sidebar.scss
    Description: content sidebar specific scss.
    ----------------------------------------------------------------------------------------
    Item Name: Vuexy - Vuejs, React, Angular, HTML & Laravel Admin Dashboard Template
    Author: PIXINVENT
    Author URL: http://www.themeforest.net/user/pixinvent
==========================================================================================*/

// Sidebar base
// ------------------------------

// Base
.sidebar {
  position: relative;
  width: 100%;
  height: 100%;

  // For desktop only
  @include media-breakpoint-up(lg) {
    vertical-align: top;
  }
}
.sidebar-fixed {
  position: fixed;
  height: 100%;
  overflow: scroll;
}

.sidenav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 120vh;
  background-color: rgba($black, 0.5);
  z-index: 997;
  display: block;
  visibility: hidden;
  opacity: 0;
  transition: all 0.5s ease;
  &.show {
    opacity: 1;
    visibility: visible;
    transition: all 0.5s ease;
  }
}

.drag-target {
  height: 100%;
  width: 40px;
  position: fixed;
  top: 0;
  left: -10px;
  z-index: 1036;
}

.sidebar-detached {
  .sidebar {
    width: $sidebar-width;
  }
}

@include media-breakpoint-up(lg) {
  .sidebar-left {
    float: left;
  }
  .sidebar-right {
    float: right;
  }
}

@include media-breakpoint-down(md) {
  .sidebar-detached {
    .sidebar {
      width: 100%;
    }
  }
}