Нет описания правки
/* Фон */
.ChatWindow {
background:url('https://i.pinimg.com/originals/a9ea/5f7b/86a2/a95f86cd521727f897bb467829e7a0e1ea7ba279bed0f6d767dfe36963f1819f.jpgpng');
background-size: 100% auto;
background-repeat: repeat;