.windows-shadow {
  position: relative;
  display: inline-block;
  margin: 8px 16px 16px;
}

.windows-frame {
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2);
}

.windows-resizing-areas::after {
  content: "";
  position: absolute;
  left: -8px;
  top: 0;
  right: -8px;
  bottom: -8px;
  box-sizing: border-box;
  border: 8px solid rgba(200, 0, 0, 0.3);
  border-top-color: rgba(0, 50, 200, 0.3);
}

.windows-shadow img {
  box-shadow: 0 3px 15px 0 rgba(0, 0, 0, 0.4);
  vertical-align: middle;
}

.windows-structure {
  background: #999;
  padding: 5px;
  color: #fff;
  text-align: center;
  margin: 0 0 16px 0;
}

.windows-structure__non-client {
  position: relative;
  margin: 0 0 6px 0;
}

.windows-structure__button {
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 20px;
  background: #cd511c;
}

.windows-structure__client {
  background: #fff;
  color: #333;
  padding: 15px;
}

@media (prefers-color-scheme: dark) {
  .windows-dark-theme-background {
    margin-bottom: 32px;
  }

  .windows-dark-theme-background::before {
    content: "";
    position: absolute;
    left: -16px;
    top: -16px;
    right: -16px;
    bottom: -16px;
    z-index: -1;
    background: #eee;
    border-radius: 3px;
  }
}