Use button for file input / paperclip

// FREEBIE

background.html

@@ -97,7 +97,7 @@
           <form class='send clearfix'>
               <div class='attachment-previews'></div>
               <div class='choose-file'>
-                  <div class='paperclip thumbnail'></div>
+                  <button class='paperclip thumbnail'></button>
                   <input type='file' class='file-input'>
               </div>
               <textarea class='send-message' placeholder='{{ send-message }}' rows='1'></textarea>

stylesheets/_conversation.scss

@@ -467,23 +467,10 @@
     padding-bottom: 1px;
   }
 
-  button, input, textarea {
+  input, textarea {
     color: $grey_d;
   }
 
-  button {
-    position: absolute;
-    top: 0;
-    height: 100%;
-    width: $button-width;
-    padding: 0;
-    border: 0;
-    outline: 0;
-    font-size: 24px;
-    background: transparent;
-  }
-
-
   .attachment-previews {
     padding: 0 36px;
     .attachment-preview {

stylesheets/manifest.css

@@ -1013,18 +1013,8 @@ input.search {
   .bottom-bar form.send {
     background: #ffffff;
     padding-bottom: 1px; }
-  .bottom-bar button, .bottom-bar input, .bottom-bar textarea {
+  .bottom-bar input, .bottom-bar textarea {
     color: #454545; }
-  .bottom-bar button {
-    position: absolute;
-    top: 0;
-    height: 100%;
-    width: 36px;
-    padding: 0;
-    border: 0;
-    outline: 0;
-    font-size: 24px;
-    background: transparent; }
   .bottom-bar .attachment-previews {
     padding: 0 36px; }
     .bottom-bar .attachment-previews .attachment-preview {