If you have blogger account then
blogger.com>sign in
Templates>Edit HTML
after pasting codes in <head>
Layout>HTML/JavaScript
and paste the below code to your blog or website.
Place these script tag in "HEAD" section of your HTML
<script type="text/javascript" src="http://w.sharethis.com/button/buttons.js"></script><script type="text/javascript" src="http://s.sharethis.com/loader.js"></script>
Now put these script at the end of your pageThey contain the parameter preferences in JSON format.
<script type="text/javascript">stLight.options({publisher: "5e1b23c7-e19f-44c1-85d1-69aede828cce", doNotHash: false, doNotCopy: false, hashAddressBar: true});</script>
<script>
var options={ "service": "facebook", "timer": { "countdown": 30, "interval": 10, "enable": false}, "frictionlessShare": true, "style": "7", "publisher": "5e1b23c7-e19f-44c1-85d1-69aede828cce"};
var st_service_widget = new sharethis.widgets.serviceWidget(options);
</script>