Uncover – horizontálníNovinky.cz

The advertisement is regarded as one single advertising surface composed of two creatives: Cover and Uncover. After the page is loaded, it is displayed creative Cover, when the user moves the mouse horizontal through creative Cover, Uncover creative, which is under the creative Cover is uncovered.

Before you produce

The advertisement must meet the general rules for creating the advertising formats. Before you send us your finished ad to deploy, please check the allowable max. data size and dimensions. Should you have any questions, do not hesitate and contact us.

Technical specifications of Cover and Uncover creative


Image (JPG, PNG, GIF – not animated)


2560×1440 px (width × height)

Maximum data size

500 kB

Requirements concerning design

  1. The advertisement may not be transparent.
  2. Graphics must fill the entire space of creative 2560×1440 px, including the space that will be overlaid page. If you need to fill covered space with color (usually white or black), it is necessary to keep a minimum safe distance of 100 px from the border inwards – see example.
  3. The main message must be located at the top in a space of 1366x720 (see example). In the area outside the main message must not be any texts and logos (the photo as background is allowed).
  4. Text in creative must occupy a maximum of 1/2 of the total visible area.

External display code

Not permitted.

External monitoring of impressions

Permitted in compliance with the rules as monitoring Javascript or URL with 1x1 px monitoring image.

Additional information

You can verify the correct placement of text, logotypes and other graphical elements using our tool for Verifying visible zones.