fix post preview hiding; clear some CSS

css/profile.css

@@ -308,7 +308,3 @@ h1.profile-name {
 h2.profile-screen-name {
     display: block;
 }
-
-.profile-modal .modal-buttons {
-   display: none;
-}

js/interface_common.js

@@ -627,7 +627,7 @@ function posPostPreview(event) {
     if (textArea[0].value.length)
         postPreview.html(htmlFormatMsg(textArea[0].value).html).show();
     else
-        postPreview.slideUp('fast');
+        postPreview.hide();
     textArea.before(postPreview);
 }
 

theme_calm/css/profile.css

@@ -385,10 +385,6 @@ h2.profile-screen-name {
     color: #8f95a4;
 }
 
-.profile-modal .modal-buttons {
-   display: none;
-}
-
 .profile-modal h1.profile-name,
 .profile-modal h2.profile-screen-name,
 .profile-modal span.profile-location,