.window {
  width: 300px;
  background: #c0c0c0;
  border: 2px solid #ffffff;
  box-shadow: inset -2px -2px #000000, inset 2px 2px #dfdfdf;
  position: absolute;
}

.title-bar {
  background: linear-gradient(to right, #000080, #1084d0);
  color: white;
  padding: 4px;
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.title-bar span {
  margin-left: 5px;
}

.buttons {
  display: flex;
  gap: 3px;
  margin-right: 3px;
}

.btn {
  width: 14px;
  height: 14px;
  background: #c0c0c0;
  border: 1px solid #000;
  box-shadow: inset -1px -1px #fff, inset 1px 1px #808080;
  cursor: pointer;
}

.btn:active {
  box-shadow: inset 1px 1px #000, inset -1px -1px #fff;
}

.content {
  padding: 15px;
  color: black;
  text-align: center;
}