HTML h1 to h6 tag - W3Schools
Example h4 { display: block; font-size: 1em; margin-top: 1.33em; margin-bottom: 1.33em; margin-left: 0; margin-right: 0; font-weight: bold; } Try it Yourself »
W3Schools Tryit Editor
<!DOCTYPE html> <html> <body> <h1>This is heading 1</h1> <h2>This is heading 2</h2> <h3>This is heading 3</h3> <h4>This is heading 4</h4> <h5>This is heading 5</h5> <h6>This is heading …
W3Schools Tryit Editor
<!DOCTYPE html> <html> <body> <h1>This is heading 1</h1> <h2>This is heading 2</h2> <h3>This is heading 3</h3> <h4>This is heading 4</h4> <h5>This is heading 5</h5> <h6>This is heading …
W3Schools Tryit Editor
<!DOCTYPE html> <html> <body> <h1>Heading 1</h1> <h2>Heading 2</h2> <h3>Heading 3</h3> <h4>Heading 4</h4> <h5>Heading 5</h5> <h6>Heading 6</h6> </body> </html>
W3.CSS Defaults - W3Schools
Change W3.CSS h1{font-size:36px} h2{font-size:30px} h3{font-size:24px} h4{font-size:20px} h5{font-size:18px} h6{font-size:16px}
HTML Headings - W3Schools
Example <h1> Heading 1 </h1> <h2> Heading 2 </h2> <h3> Heading 3 </h3> <h4> Heading 4 </h4> <h5> Heading 5 </h5> <h6> Heading 6 </h6> Try it Yourself »
Bootstrap 4 Text/Typography - W3Schools
Example h1 Bootstrap heading (2.5rem = 40px) h2 Bootstrap heading (2rem = 32px) h3 Bootstrap heading (1.75rem = 28px) h4 Bootstrap heading (1.5rem = 24px) h5 Bootstrap heading (1.25rem = …
Bootstrap Text/Typography - W3Schools
Example h1 Bootstrap heading (36px) h2 Bootstrap heading (30px) h3 Bootstrap heading (24px) h4 Bootstrap heading (18px) h5 Bootstrap heading (14px) h6 Bootstrap heading (12px)
HTML DOM Document querySelector () Method - W3Schools
<h3>A h3 element</h3> <h4>A h4 element</h4> document.querySelector("h3, h4").style.backgroundColor = "red"; Try it Yourself »
W3Schools Tryit Editor
<!DOCTYPE html> <html> <head> <style> h4 { display: block; font-size: 1em; margin-top: 1.33em; margin-bottom: 1.33em; margin-left: 0; margin-right: 0; font-weight: bold; } </style> </head> <body> …