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<html><head><style>.button { background-color: #4CAF50; /* Зеленый */ border: none; color: white; padding: 15px 32px; text-align: center; text-decoration: none; display: inline-block; margin: 4px 2px; cursor: pointer;}.button1 {font-size: 10px;}.button2 {font-size: 12px;}.button3 {font-size: 16px;}.button4 {font-size: 20px;}.button5 {font-size: 24px;}</style></head><body><h2>Размеры кнопок</h2><p>Измените размер шрифта кнопки с помощью свойства font-size:</p><button class="button button1">10px</button><button class="button button2">12px</button><button class="button button3">16px</button><button class="button button4">20px</button><button class="button button5">24px</button></body></html>