Merge pull request #1744 from olivergondza/fix-button-link

[JENKINS-27436] Fix button link appearance

war/src/main/webapp/css/style.css

@@ -1579,6 +1579,7 @@ table#legend-table td {
   border-style: none;
   border-color: transparent;
   background: none;
+  text-decoration: none;
 }
 
 #jenkins .yui-button .first-child {
@@ -1685,4 +1686,4 @@ table#legend-table td {
     background-color: #e5958c;
     color: #f8f8f8;
     border: 1px solid #e39280;
-}
\ No newline at end of file
+}