Изменения

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#slide0 h1 {position: static; margin: 1em 0 0; padding: 0;

color: #000; background: transparent;}

#slide0 h2 {font: bold italic 1em Segoe UI; margin: 0.25em;}

#slide0 h3 {margin-top: 1.5em; font-size: 1.5em;}

#slide0 h4 {margin-top: 0; font-size: 1em;}