add some space between buttons

core/src/main/resources/hudson/model/Run/delete.jelly

@@ -27,7 +27,7 @@ THE SOFTWARE.
 -->
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form" xmlns:i="jelly:fmt">
   <j:if test="${!it.keepLog and !it.building}">
-    <form method="get" action="confirmDelete">
+    <form method="get" action="confirmDelete" style="margin-top:1em">
       <f:submit value="${%Delete this build}" />
     </form>
   </j:if>

core/src/main/resources/hudson/model/Run/logKeep.jelly

@@ -27,7 +27,7 @@ THE SOFTWARE.
 -->
 <j:jelly xmlns:j="jelly:core" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form" xmlns:i="jelly:fmt">
   <j:if test="${it.parent.logRotator!=null}">
-    <form method="get" action="toggleLogKeep">
+    <form method="get" action="toggleLogKeep" style="margin-top:1em">
       <j:if test="${it.keepLog}">
         <f:submit value="${%Don't keep this build forever}"  />
       </j:if>