html css not working code example

Example 1: why is my css code not working

# If you havent put this in your code this may be the reason why your CSS code isnt working, its weird but yeah!
<link type="text/css" rel="stylesheet" href="http://fakedomain.com/smilemachine/html.css" />

Example 2: css not working

<link type="text/css" rel="stylesheet" href="http://yourdomain.com/dir/file.css" />