body {
  background: #008080;
  margin: 0;
  height: 100vh;
  overflow: hidden;
  font-family: sans-serif;
  position: relative;
}

.window {
  position: absolute;
  cursor: default;
}

.title-bar {
  cursor: move;
}

.desktop-icon {
  position: absolute;
  width: 64px;
  text-align: center;
  color: white;
  cursor: pointer;
  font-size: 12px;
  user-select: none;
  z-index: 1; /* icons below windows */
}

.desktop-icon img {
  width: 48px;
  height: 48px;
  display: block;
  margin: 0 auto 4px;
  pointer-events: none;
}

#desktop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.window-content-template {
  display: none;
}

.desktop-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;
  position: relative;
}

.desktop-area {
  position: relative;
  width: 1024px;   /* adjust as needed */
  height: 768px;   /* adjust as needed */
  background-image: url('your-wallpaper.png'); /* optional */
  background-size: cover;
  overflow: hidden;
  border: 2px solid #fff;
  box-shadow: 0 0 20px rgba(0,0,0,0.5);
}