Làm cách nào để thêm tiện ích này vào blog?

<b:if cond='data:blog.pageType == &quot;item&quot;'> 
<b:if cond='data:blog.pageType != &quot;static_page&quot;'> 
<style>
.mbt_social_floating{
    position:fixed; bottom:10%; margin-left:-60px; float:left;     width:60px;
    background-color:#f7f7f7;     padding: 5px 0 0px 0px;
     border-top:1px solid #ddd;
border-left:1px solid #ddd;
border-bottom:1px solid #ddd;
z-index:9999px !important;
border-radius:5px;-moz-border-radius:5px;-webkit-border-radius:5px;
}
.mbt_social_floating .mbt_side_social_button{
    margin-bottom:5px;
    float:none;
    height:auto;
    width:60px;
}
.mbt_social_floating .st_twitter_vcount, .mbt_social_floating.st_plusone_vcount, .st_email{
    margin-left:5px;
}
.mbt_social_floating .st_fblike_vcount{
    margin-left:5px;
}
.mbt_social_floating .stButton_gradient{
    background:none !important;
    height:21px !important;
    padding-left:0 !important;
}
.mbt_social_floating .chicklets, .mbt_social_floating .stMainServices {
    background:url(&#39;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizpsz3YJYlFmPfh6DbpyhIRbJK5egw597NbzQziITiuGOarmgcw_VMnlt2l0OJo_w_OhydNwm2HerNtFP8ij-ygbUiv2cGG_jdXzTRYKscT9SJO-jd9sueCHeO_xMJ6sqmSJnTYwZiMCKU/s400/gc_social_sprite.gif&#39;) no-repeat !important;
    height:19px !important;
    width:45px !important;
    padding:0 !important;
}
.st_email .chicklets{
    background-position:0 -77px !important;
    background-image:url(&#39;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizpsz3YJYlFmPfh6DbpyhIRbJK5egw597NbzQziITiuGOarmgcw_VMnlt2l0OJo_w_OhydNwm2HerNtFP8ij-ygbUiv2cGG_jdXzTRYKscT9SJO-jd9sueCHeO_xMJ6sqmSJnTYwZiMCKU/s400/gc_social_sprite.gif&#39;) !important;
}
.mbt_social_floating .st_twitter_vcount .st-twitter-counter{
    background-position:0 -58px !important;
}
.mbt_social_floating  .stButton_gradient{
    border:none !important;
}
.mbt_social_floating .stBubble_count{
    width:44px !important;
    font-size: 15px !important;
    font-weight: normal !important;
    padding-top:7px !important;
    height:23px !important;
    background:none !important;
}
.mbt_social_floating .st_twitter_vcount .stBubble_count{
    color:#00a6df;
    background-color:#f8fbfc !important;
}
.st_fblike_vcount{
    margin-bottom: 0px;
    display: block;
}
.st_twitter_vcount{
    margin-bottom: 3px;
    display: block;
}
.st_email{
    margin-bottom: 5px; margin-top: 3px;
    display: block;
}
.mbt_social_floating .stBubble{
    background-position: 21px 31px !important;
    height:35px !important;
}.mbt_social_floating .st_pinterest_vcount{
    margin-left:5px;
}
.mbt_social_floating .st_pinterest_vcount .st-pinterest-counter{
    background-position:0 -19px !important;
}
.mbt_social_floating .st_pinterest_vcount .stBubble_count{
    color:#FF0505;
    background-color:#fbf8f8 !important;
}
.mbt_social_floating .st_pinterest_vcount .stBubble{
    background-image:url('https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhbnhFEfYi81Ks1NjlgV_k6qZidCtyH5twTrB2lc4AaRGJ55zZg-cvBL4oFSX-UloKM-M6fMz9uZyjY18zlzAA_ktwdWSo-V4uiXb17ed5eJUhtBedYK45Xwxfl6vri_k76uDyW_-tY6NEy/s400/bubble_arrow_pinterest.png') !important;
}
.st_pinterest_vcount{
    margin-bottom: 0px;
    display: block;
}
</style>
<div class='mbt_social_floating'>
    <script type='text/javascript'>var switchTo5x=true;</script>
    <script src='http://w.sharethis.com/button/buttons.js' type='text/javascript'/>
    <script type='text/javascript'>stLight.options({onhover:false});</script>
    <span class='st_twitter_vcount' displaytext='' st_via='trollvl'/>
<div style='margin:5px 0 0px 5px;'>
<iframe allowTransparency='true' expr:src='&quot;http://www.facebook.com/plugins/like.php?href=&quot; + data:post.url + &quot;&amp;layout=box_count&amp;show_faces=false&amp;width=100&amp;action=like&amp;font=arial&amp;colorscheme=light&quot;' frameborder='0' scrolling='no' style='border:none; overflow:hidden; width:120px; height:70px;'/>
</div>
<span class='st_pinterest_vcount' displaytext=''/>
<div style='margin:0px 0 0 5px;'>
    <span class='st_plusone_vcount' displaytext=''/>
</div>
<div class='addthis_toolbox addthis_default_style ' style='margin:5px 0px 5px 8px;'>
<a class='addthis_counter'/>
</div>
<script src='http://s7.addthis.com/js/250/addthis_widget.js' type='text/javascript'/>
<script type='text/javascript'>
var addthis_config = {
     ui_cobrand: &quot;Troll VL&quot;,
ui_header_color: &quot;#ffffff&quot;,
     ui_header_background: &quot;#0080FF&quot;
}
</script>
<span class='st_email' displaytext=''/>
</div>
</b:if></b:if>

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