Typo fix in CSS

Author: azonenberg

_layouts/default.html

@@ -22,7 +22,7 @@
             {% endif %}
 
             <h1 id="project_title">
-                <img src='images/logo.png' width='64' height='64' style-'box-shadow: none;text-shadow: none;border:none'/>
+                <img src='images/logo.png' width='64' height='64' style='box-shadow: none;text-shadow: none;border:none'/>
                 {{ site.title | default: site.github.repository_name }}
             </h1>
             <h2 id="project_tagline">{{ site.description | default: site.github.project_tagline }}</h2>