Other: How to add Syntax Highlighter in blogger

1- In you theme, add this before the closing head tag:

<script src="//ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.8.23/jquery-ui.min.js" type="text/javascript"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/highlight.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.8.0/languages/go.min.js"></script>

<script type="text/javascript">$(document).ready(function() {
        $('pre').each(function(i, block) {
            hljs.highlightBlock(block);
        });
    });
</script> 

2- Add the following css:

.hljs{display:block;overflow-x:auto;padding:0.5em;background:#F0F0F0}.hljs,.hljs-subst{color:#444}.hljs-comment{color:#888888}.hljs-keyword,.hljs-attribute,.hljs-selector-tag,.hljs-meta-keyword,.hljs-doctag,.hljs-name{font-weight:bold}.hljs-type,.hljs-string,.hljs-number,.hljs-selector-id,.hljs-selector-class,.hljs-quote,.hljs-template-tag,.hljs-deletion{color:#880000}.hljs-title,.hljs-section{color:#880000;font-weight:bold}.hljs-regexp,.hljs-symbol,.hljs-variable,.hljs-template-variable,.hljs-link,.hljs-selector-attr,.hljs-selector-pseudo{color:#BC6060}.hljs-literal{color:#78A960}.hljs-built_in,.hljs-bullet,.hljs-code,.hljs-addition{color:#397300}.hljs-meta{color:#1f7199}.hljs-meta-string{color:#4d99bf}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:bold}