css space between h1 code example

Example 1: space between 2 h tags without break

h1, h2, h3, h4, h5, h6{
  margin-top:20px;
  margin-bottom:10px;
}

Example 2: space between 2 h tags without break

h1, h2, h3, h4, h5, h6{
  line-height: 30px; 
}