Cara Buat Menu Navigasi Breadcrumbs Dengan CSS3

1. Login ke blogger.com
2. Pilih Template --> Edit HTML dan klik "Expand Widget Template"
2. Cari kode dibawah ini :
<div class='post hentry uncustomized-post-template' itemscope='itemscope' itemtype='http://schema.org/BlogPosting'>
3. Letakkan kode berikut ini tepat di bawahnya :( jika ada 2 letakkan setelah kode yang pertama)

<b:if cond='data:blog.pageType == &quot;item&quot;'>
<ul id='breadcrumbs'>
<li><a expr:href='data:blog.homepageUrl'>Home</a></li>
<b:if cond='data:post.labels'><b:loop values='data:post.labels' var='label'><li><a expr:href='data:label.url' rel='tag'><data:label.name/></a></li><b:if cond='data:label.isLast != &quot;true&quot;'> </b:if> </b:loop> </b:if><li><a class='current' expr:href='data:post.url'><data:post.title/></a></li></ul></b:if>

4. Lalu cari kode ]]></b:skin> dan copy dan pastekan kode dibawah ini  tepat diatasnya :
ul#breadcrumbs {
margin: 0;
padding: 0;
list-style: none;
}
#breadcrumbs{
background: #eee;font-size:11px;
border-width: 1px;
border-style: solid;
border-color: #f5f5f5 #e5e5e5 #ccc;
-moz-border-radius: 5px;
-webkit-border-radius: 5px;
border-radius: 5px;
-moz-box-shadow: 0 0 2px rgba(0,0,0,.2);
-webkit-box-shadow: 0 0 2px rgba(0,0,0,.2);
box-shadow: 0 0 2px rgba(0,0,0,.2);
/* Clear floats */
overflow: hidden;
width: 100%;
}

#breadcrumbs li{
float: left;
}

#breadcrumbs a{
padding: 3px 12px 3px 17px;
float: left;
text-decoration: none;
color: #444;
position: relative;
text-shadow: 0 1px 0 rgba(255,255,255,.5);
background-color: #ddd;
background-image: -webkit-gradient(linear, left top, right bottom, from(#f5f5f5), to(#ddd));
background-image: -webkit-linear-gradient(left, #f5f5f5, #ddd);
background-image: -moz-linear-gradient(left, #f5f5f5, #ddd);
background-image: -ms-linear-gradient(left, #f5f5f5, #ddd);
background-image: -o-linear-gradient(left, #f5f5f5, #ddd);
background-image: linear-gradient(to right, #f5f5f5, #ddd);
}

#breadcrumbs li:first-child a{
padding-left: 1em;
-moz-border-radius: 5px 0 0 5px;
-webkit-border-radius: 5px 0 0 5px;
border-radius: 5px 0 0 5px;
}

#breadcrumbs a:hover{
background: #fff;
}

#breadcrumbs a::after,
#breadcrumbs a::before{
content: "";
position: absolute;
top: 50%;
margin-top: -1.5em;
border-top: 1.5em solid transparent;
border-bottom: 1.5em solid transparent;
border-left: 1em solid;
right: -1em;
}

#breadcrumbs a::after{
z-index: 2;
border-left-color: #ddd;
}

#breadcrumbs a::before{
border-left-color: #ccc;
right: -1.1em;
z-index: 1;
}

#breadcrumbs a:hover::after{
border-left-color: #fff;
}

#breadcrumbs .current,
#breadcrumbs .current:hover{
font-weight: normal;
background: none;
}

#breadcrumbs .current::after,
#breadcrumbs .current::before{
content: normal;
}
5. Simpan template. lihat hasilnya

Keterangan : untuk warna disesuaikan saja dengan tools html colors codes.