Side Drawer Component

<div style="height: 400px;">
    <div class="spr-panel"> This is the main content! </div>
    <div class="spr-side-drawer-overlay-container spr-side-drawer-overlay-dark-background">
       <div class="spr-side-drawer-wrapper">
           <div class="spr-side-drawer spr-side-drawer-open">
           <div class="spr-side-drawer-header">
            <div><i class="spr-icon spr-icon-close"></i></div>
           </div>
               This is the side drawer contents!
           </div>
       <div>
   </div>
</div>

@import 'components/side-drawer';

@keyframes openPopover {
  from {
    transform: scale(0.9);
  }
  to {
    transform: scale(1);
  }
}

.spr-side-drawer-wrapper,
.spr-side-drawer-wrapper .spr-side-drawer {
  display: inline-block;
}

.spr-side-drawer-wrapper {
  color: #f7f7f8;
  white-space: nowrap;
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  justify-content: flex-end;
  height: 100vh;
  width: 16rem;
}

.spr-side-drawer-wrapper .spr-icon {
  /* override the color and of the icons
      that are children of the sidenav */
  background-color: #f7f7f8 !important;
}

.spr-side-drawer-wrapper .spr-side-drawer {
  background-color: #18191b;
  display: flex;
  flex-direction: column;
  width: 0%;
  overflow: hidden;
  transition-property: width;
  transition-duration: 0.41s;
  transition-timing-function: ease-in-out;
}

.spr-side-drawer-open {
  width: 100% !important;
}

.spr-side-drawer-overlay-container {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
}

.spr-side-drawer-overlay-dark-background {
  background-color: rgba(24, 25, 27, 0.5) !important;
}

.spr-side-drawer-header {
  padding: 1rem 1rem;
  display: flex;
  justify-content: flex-end;
  flex-direction: row;
  flex: 0;
}

.spr-side-drawer-header .spr-icon-close {
  cursor: pointer;
}