h1,h2,h3,h4,h5,h6{margin-top:0;margin-bottom:0;margin-block-start:0;margin-block-end:0;margin-inline-start:0;margin-inline-end:0;padding-top:0;padding-bottom:0;padding-block-start:0;padding-block-end:0;padding-inline-start:0;padding-inline-end:0}