Smooth CSS Fade in on Page Load Animation

HTML
1
<p class="demo"></div><a class="readmore"
    href="http://codeconvey.com/smooth-css
    -fade-in-on-page-load-animation/">Find
    More Details Here</a>
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CSS
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@import url(https://fonts.googleapis.com
    /css?family=Raleway);
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JAVASCRIPT
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