css class name and tag code example
Example 1: css class attribute
<h1 class="Class">Content</h1>
<h1 id="id">Content</h1>
Css:
.class
#idExample 2: css calss
.ThisIsAClassName{
font-family: sans-serif;
}<h1 class="Class">Content</h1>
<h1 id="id">Content</h1>
Css:
.class
#id.ThisIsAClassName{
font-family: sans-serif;
}