mobile === false

static/css/styles(boris).css

@@ -448,6 +448,7 @@
     box-shadow: -1px 4px 10px 0 rgba(198, 199, 203, 0.20), 0 -1px 10px 0 rgba(198, 199, 203, 0.20);
     float: right;
     position: relative;
+    overflow: hidden;
 }
 
 .block_loader_chat{
@@ -482,7 +483,8 @@
 }
 
 .bottom_part_of_chats{
-    height: calc(100% - 39px);
+    height: 100%;
+    padding-bottom: 39px;
     position: relative;
 }
 
@@ -536,7 +538,7 @@
 }
 
 .container-messages{
-    height: calc(100% - 175px);
+    height: 70%;
     width: 100%;
     /* transform: rotate(180deg); */
     overflow-y: auto;
@@ -560,7 +562,7 @@
     border: 1px solid #E6E6E6;
     padding: 0 20px 0 20px;
     position: absolute;
-    bottom: 43px;
+    bottom: 0;
 }
 
 .footer-chat.hide{