Information density in tracks

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Margins, section headings, etc. all space out tracks and make it harder to fit multiple tracks within one screen height. Having to scroll between tracks makes it much harder to correlate information in different tracks.

For example, compare gnomAD data on https://gnomad.broadinstitute.org/gene/ENSG00000169174 to https://decipher.sanger.ac.uk/gene/ENSG00000169174/overview/protein-genomic-info.