修正著作頁面副標題溢出問題

app/collect/index.php

@@ -213,8 +213,8 @@ include "../pcdl/html_head.php";
     ?>
     <div id='course_head_bar' class='collect_head_bar'>
         <div class='section_inner'>
-            <h1><?php echo $_local->gui->composition;?></h1>
-            <div style='width:30em'><?php echo $_local->gui->composition_intro;?></div>
+            <h1><?php echo $_local->gui->composition; ?></h1>
+            <div style='max-width:30em'><?php echo $_local->gui->composition_intro; ?></div>
             <!--
             <div id="main_tag">
                 <span tag="vinaya">sīla</span>