.comments-tree {
 position: relative;
 margin-right: 0;
}
#pinned-message {
 position: absolute;
 min-width: 100%;
 max-width: 100%;
}
#pinned-message label {
 display: block;
 min-width: 100%;
 max-width: 100%;
 padding: 5px 10px;
 background: #eec6ff; /* Фон закреплённого сообщения */
 cursor: pointer;
}
#pinned-message input + div {
 font-weight: bold;
}
/*#pinned-message .pinned-text {
 text-overflow: ellipsis;
 overflow: hidden;
 white-space: nowrap;
 max-height: 1.55em;
 max-width: calc(100% - 100px);
 transition: max-height 1s;
}*/
#pinned-message .pinned-text ,#pinned-message input:checked ~ .pinned-text {
 overflow: hidden;
 white-space: normal;
 max-height: 700px;
 max-width: calc(100% - 30px);
 /*max-width:100%;*/
}
/*.chat-widget .comments-container .comments-top-level {
    margin-top: 100px;
}*/
#pinned-message input,
#pinned-close-cb {
 display:none;
}
.pinned-close {
 cursor: pointer;
 padding: 0 5px;
 position: absolute;
 z-index: 1;
 right: 15px;
 top: 16px;
 opacity: .3;
}
#pinned-close-cb:not(:checked) ~ #pinned-message,
#pinned-close-cb:not(:checked) ~ .pinned-close,
#pinned-close-cb:not(:checked) ~ .comments-container .pinned-filler {
 display: none;
}
.pinned-filler {
 height: 60px;
}