FOLLOW THESE STEPS:
1. Go To Blogger Dashboard > Template > Edit HTML
2. Backup your template before editing.
3. Search for this, ]]></b:skin> . before it paste the following Code
.button {
-moz-border-radius:5px 5px 5px 5px;
-webkit-border-radius:5px 5px 5px 5px;
border-radius:5px 5px 5px 5px;
-moz-box-shadow:0 1px 3px rgba(0, 0, 0, 0.25);
-webkit-box-shadow:0 1px 3px rgba(0, 0, 0, 0.25);
box-shadow:0 1px 3px rgba(0, 0, 0, 0.25);
background:url("http://www.zurb.com/images/overlay-button.png") repeat-x scroll 0 0 #222222;
border-bottom:1px solid rgba(0, 0, 0, 0.25);
color:#FFFFFF !important;
cursor:pointer;
font-weight:bold;
line-height:1;
overflow:visible;
font-size:17px;
padding:8px 19px 9px;
position:relative;
text-decoration:none;
text-shadow:0 -1px 1px rgba(0, 0, 0, 0.25);
width:auto;
}
.demobutton {
background-color:#999999;
text-align:center;
width:150px;
}
.demobutton:hover {
background-color:#00A0EE;
}
.downloadbutton {
background-color:#91BD09;
text-align:center;
width:150px;
}
.downloadbutton:hover {
background-color:#00AC00;
}
.button:hover {
-moz-box-shadow:0 1px 11px rgba(0, 0, 0, 0.45);
-webkit-box-shadow:0 1px 11px rgba(0, 0, 0, 0.45);
box-shadow:0 1px 11px rgba(0, 0, 0, 0.45);
}
4. Save your template.
Now whenever you want to add the demo or download button you only need to add the following code in the "EDIT HTML" section of your Blogger Editor
FOR DEMO BUTTON
<a class="demobutton button" href="YOUR DEMO LINK HERE" rel="nofollow" style="float: left;" target="_blank"><span style="display: inline-block;">Live Demo</span></a>
FOR DOWNLOAD BUTTON
<a class="button downloadbutton" href="YOUR DOWNLOAD LINK HERE" rel="nofollow" style="float: left;" target="_blank"><span style="display: inline-block;">Download</span></a>
5.FINISH..
