Merge branch 'eunsu' into 'master'

Modify -- Add image



See merge request !5

 <div class="header">
     <p class="logo">
-        <a href="#"><img src="#" alt="."></a>
+        <a href="#"></a><img src="/imgs/logo.png" style="width:100px; height:100px;"></a>
     </p>
     <p class="theme">FOR MY PET</p>
 </div>
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