diff --git a/src/buttons/css/buttons.css b/src/buttons/css/buttons.css
index a8e81c7..2bf648c 100644
--- a/src/buttons/css/buttons.css
+++ b/src/buttons/css/buttons.css
@@ -4,10 +4,8 @@
     font-family: inherit;
     font-size: 100%;
     padding: 0.5em 1em;
-    color: #444; /* rgba not supported (IE 8) */
-    color: rgba(0, 0, 0, 0.80); /* rgba supported */
-    border: 1px solid #999;  /*IE 6/7/8*/
-    border: none rgba(0, 0, 0, 0);  /*IE9 + everything else*/
+    color: rgba(0, 0, 0, 0.80);
+    border: none rgba(0, 0, 0, 0);
     background-color: #E6E6E6;
     text-decoration: none;
     border-radius: 2px;
@@ -56,7 +54,6 @@ a.pure-button-selected {
 .pure-button-group .pure-button {
     margin: 0;
     border-radius: 0;
-    border-right: 1px solid #111;  /* fallback color for rgba() for IE7/8 */
     border-right: 1px solid rgba(0, 0, 0, 0.2);
 
 }