How to remove the lime-colored question mark from SyntaxHighlighter Plugins: or at least change its color?

To remove the lime-colored question mark, edit this file /plugins/content/hs_highlighter/lib/styles/shThemeDefault.css and add: display: none; in the inside the following code:

.syntaxhighlighter .toolbar {
    background: none repeat scroll 0 0 #6CE26C !important;
    border: medium none !important;
    color: white !important;
    display: none;
}

 

Line # 66: Added display: none;