:root {
  --tdm-drawer-width: 300px;
  --tdm-drawer-speed: .2s;
  --tdm-drawer-background: #eee;
  --tdm-backdrop-background: rgba(0,0,0,.5); }

drawer-menu,
[data-drawer-backdrop] {
  top: 0;
  left: 0;
  position: fixed;
  display: block;
  display: none;
  height: 100%; }

[data-drawer] drawer-menu,
[data-drawer] [data-drawer-backdrop] {
  display: block; }

drawer-menu {
  z-index: 99999;
  margin-left: calc(var(--tdm-drawer-width) * -1);
  width: var(--tdm-drawer-width);
  transition: margin-left var(--tdm-drawer-speed);
  background: var(--tdm-drawer-background); }

[data-drawer-backdrop] {
  z-index: 99998;
  width: 100%;
  visibility: hidden;
  opacity: 0;
  background: var(--tdm-backdrop-background);
  transition-property: opacity, visibility;
  transition-duration: var(--tdm-drawer-speed), 0s;
  transition-delay: 0s, var(--tdm-drawer-speed); }

[data-drawer="true"] {
  height: 100%;
  width: 100%;
  overflow: hidden; }
  [data-drawer="true"] [data-drawer-backdrop] {
    visibility: visible;
    opacity: 1;
    transition-property: visibility, opacity;
    transition-duration: 0s, var(--tdm-drawer-speed);
    transition-delay: 0s, 0s; }
  [data-drawer="true"] drawer-menu {
    margin-left: 0;
    transition: margin-left var(--tdm-drawer-speed); }

[data-drawer-backdrop]:before {
  content: '';
  height: 2rem;
  width: 2rem;
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' class='feather feather-x'%3E%3Cline x1='18' y1='6' x2='6' y2='18'%3E%3C/line%3E%3Cline x1='6' y1='6' x2='18' y2='18'%3E%3C/line%3E%3C/svg%3E");
  background-size: 2rem;
  display: block;
  margin-top: 1rem;
  margin-left: calc(var(--tdm-drawer-width) + 1rem);
  opacity: .5; }