1. From the left swipe menu go to Design & Structure > Design > Sections Design   
2. Click "Modify the style" next to your section
3. Click on "Edit article"

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It is only possible to modify the date or author display with templates 1, 2 or 3
1. Check which template you use in Page Templates tab
2. Scroll down to the bottom of the page, to the HTML Code field. 

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1

Delete the date

1. Delete exactly the portion of the code <div class="date">Written on [DATE]</div> in the HTML Code field
2. Click OK.

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2

Delete the author

1. Delete exactly the portion of code <div class="author">[AUTHOR]</div> in the HTML Code field
2. Click OK.

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