Solution 1:
Using:
<h1>Line 1 <br/> Line 2</h1>
Solution 2:
A W3C validated method is
<h1>Line 1 <span style = "display: block;">Line 2</span></h1>
Two lines in h1 tag
Solution 1:
Using:
<h1>Line 1 <br/> Line 2</h1>
Solution 2:
A W3C validated method is
<h1>Line 1 <span style = "display: block;">Line 2</span></h1>