HTML
CSS
Deno
Examples
Do It Yourself
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<html><head><style> body { font-size: 100%; /* 100% = 16px (broswer's default font size). */ } p { font-size: .5em; /* 1em = 16px, .5em = 8px */ } </style> </head><body> We can start writing to the body, the font size will appear in 100% (16px). <p>Except a style is set explicitly for the element.</p> </body></html>