Нет описания правки
/* Фон */
.ChatWindow {
background:url('https://cdn66.yjcmedia.ir/files/fa/news/1398/3tumblr.com/12b8d8cd7a633a5711bb3d094cc2f135a2/10015112_540tumblr_pgum5k8yTA1s748a0o1_1280.jpg');
background-size: 100% auto;
background-repeat: repeat;