If your query refers to the (square format) often used for MP4 social media uploads, here are the standard specs for best performance: Optimal Resolution : 1080 x 1080 pixels.
: When an institution is used for its intended purpose, no article is used (e.g., "recovering in hospital"). However, if you are just visiting the building, you would use one (e.g., "shot in a hospital"). 1 (1).mp4
: When using the preposition "by," omit the article (e.g., "by train," "by car"). If your query refers to the (square format)