diff --git a/static/css/mobile_styles.css b/static/css/mobile_styles.css
index 3a1b179..acfb519 100644
--- a/static/css/mobile_styles.css
+++ b/static/css/mobile_styles.css
@@ -969,10 +969,10 @@
 
 
     .left-part-block-enter-message{
-        width: 70%;
+        width: calc(70% - 74px);
     }
     .right-part-block-enter-message{
-        width: 30%;
+        width: 74px;
     }
     .container-message_support_chat{
         width: 70%;
diff --git a/static/css/styles(boris).css b/static/css/styles(boris).css
index 5eedacc..03a223f 100644
--- a/static/css/styles(boris).css
+++ b/static/css/styles(boris).css
@@ -575,12 +575,12 @@
 }
 
 .left-part-block-enter-message{
-    width: 80%;
+    width: calc(80% - 74px);
     float: left;
 }
 
 .right-part-block-enter-message{
-    width: 20%;
+    width: 74px;
     float: right;
     padding-top: 11px;
     text-align: right;