diff --git a/theme/formal_white/style/core.css b/theme/formal_white/style/core.css
index f4fb3d20006..438a485b895 100644
--- a/theme/formal_white/style/core.css
+++ b/theme/formal_white/style/core.css
@@ -129,7 +129,7 @@ input[type="radio"] {
 
 .loginbox .loginform .form-input #username,
 .loginbox .loginform .form-input #password {
-    width: 50%;
+    width: 100%;
     color: #000;
 }
 
@@ -561,4 +561,4 @@ input[type="radio"] {
 .pagelayout-redirect #content {text-align:center;margin-top:10%;margin-bottom:10%;}
 
 /* plugin compattable */
-.plugincompattable {font-size:90%;}
\ No newline at end of file
+.plugincompattable {font-size:90%;}