diff --git a/isso/css/isso.css b/isso/css/isso.css
index d76c06f..827c145 100644
--- a/isso/css/isso.css
+++ b/isso/css/isso.css
@@ -182,12 +182,17 @@
 .postbox > .form-wrapper > .auth-section .input-wrapper input {
     padding: .3em 10px;
     max-width: 100%;
-    border-radius: 3px;
     background-color: #fff;
     line-height: 1.4em;
     border: 1px solid rgba(0, 0, 0, 0.2);
     box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
 }
+.postbox > .form-wrapper > .auth-section .input-wrapper:first-child input {
+    border-radius: 3px 0 0 3px;
+}
+.postbox > .form-wrapper > .auth-section .input-wrapper:nth-last-child(2) input {
+    border-radius: 0 3px 3px 0;
+}
 .postbox > .form-wrapper > .auth-section .post-action {
     display: inline-block;
     float: right;
@@ -217,6 +222,7 @@
     }
     .postbox > .form-wrapper > .auth-section .input-wrapper input {
         width: 100%;
+        border-radius: 3px;
     }
     .postbox > .form-wrapper > .auth-section .post-action {
         display: block;