Hide columnheaders on a webpart

To hide headers on a webpart

1. Add a contenteditor webpart
2. Edit HTML-source
3. Paste
<style>
.ms-viewheadertr {
DISPLAY: none
}</style>

4. Columns should disappear at once. Hide webpart from form.

References:
http://reyazuddinkhan2.blogspot.se/2013/03/hide-column-header-in-sharepoint-list.html
http://www.sharepointdiary.com/2013/03/content-editor-web-part-hidden-property-disabled.html cant hide when using publishing pages.
http://forums.bitwiseglobal.com/forum/sharepoint/hiding-content-editor-web-part/