This tag has no height or width settings: Thes have pre-set width/heights 1000px wide 100px header 1000px wide 100px header Use these for custom site setups: Open 1 - use for testing with a specific site Open 2 - use for testing with a specific site Open 3 - use for testing with a specific site Open 4 - use for testing with a specific site Open 5 - use for testing with a specific site