Multiple UI improvements (#3317)

Removing break all

Replacing jquery selectors and some other UI improvements

Removing jquery selector

webapp/sass/responsive/_mobile.scss

@@ -136,6 +136,13 @@
             }
         }
 
+        &.post--comment {
+            .post__body {
+                margin-top: 5px;
+                padding: 2px 0 0 7px;
+            }
+        }
+
         &.other--root {
             &.post--comment {
                 .post__header {
@@ -309,7 +316,9 @@
 
     .row--invite {
         .col-sm-6 {
-            padding: 0;
+            &:first-child {
+                padding-right: 15px;
+            }
         }
     }
 

webapp/sass/responsive/_tablet.scss

@@ -117,20 +117,13 @@
                     .col__name {
                         font-weight: bold;
                         margin-right: 2px;
-                        padding-right: 10px;
+                        padding-right: 5px;
                         position: relative;
                         z-index: 1;
+                    }
 
-                        &:after {
-                            content: ':';
-                            display: inline-block;
-                            font-family: FontAwesome;
-                            font-size: 19px;
-                            position: absolute;
-                            right: 3px;
-                            text-rendering: auto;
-                            top: -5px;
-                        }
+                    strong {
+                        display: inline;
                     }
 
                     .col__reply {
@@ -176,6 +169,7 @@
             &.same--root {
                 &.same--user {
                     padding-left: 70px;
+                    padding-top: 0;
 
                     .post__header {
                         .col__reply {