layout: fix typo and remove invalid <img> attribute

Change-Id: I8252baf958f8616ea9abe94c754f179017ab48f3
diff --git a/named_data_theme/layout.html b/named_data_theme/layout.html
index 6e59650..f3fa924 100644
--- a/named_data_theme/layout.html
+++ b/named_data_theme/layout.html
@@ -9,7 +9,7 @@
       <div class="row">
         <div class="three columns">
           <p class="logo"><a href="https://named-data.net" title="A Future Internet Architecture">
-            <img class="logo" src="{{ pathto('_static/ndn-logo.svg', 1)|e }}" alt="Logo" width="210" height="auto"/>
+            <img class="logo" src="{{ pathto('_static/ndn-logo.svg', 1)|e }}" alt="Logo" width="210"/>
           </a></p>
         </div>
         <div id="menu_container" class="nine columns">
@@ -26,7 +26,7 @@
       <div class="row">
         <div class="twelve columns">
           <div id="copyright">
-            This research is partially supported by NSF (Award <a href="http://www.nsf.gov/awardsearch/showAward?AWD_ID=1040868" target="_blank>">CNS-1040868</a>).<br/><br/>
+            This research is partially supported by NSF (Award <a href="http://www.nsf.gov/awardsearch/showAward?AWD_ID=1040868" target="_blank">CNS-1040868</a>).<br/><br/>
             Licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/3.0/" target="_blank">Creative Commons Attribution 3.0 Unported License</a> except where noted.
           </div>
         </div>