body { font-family: 'Arial', sans-serif; line-height: 1.6; margin: 20px; } h1 { color: #333; font-size: 28px; } h2 { color: #555; font-size: 24px; } h3 { color: #777; font-size: 20px; } p { color: #333; font-size: 16px; } (adsbygoogle = wi…

body { font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; } h1 { color: #333; } h2 { color: #555; } h3 { color: #777; } p { color: #000; } strong { font-weight: bold; } em { font-style: italic; } (adsbygoogle = window.adsbygoo…