some css updates

library/css/login.css

@@ -18,41 +18,18 @@ This is the Wordpress logo in the admin area.
 You'll have to load your own images and mess
 with the width and height.
 */
-.login h1 a {
-  background: url(../images/login-logo.png) no-repeat top center;
-  /* make sure to replace this! */
-  width: 326px;
-  height: 67px;
-  text-indent: -9999px;
-  overflow: hidden;
-  padding-bottom: 15px;
-  display: block; }
+.login h1 a { background: url(../images/login-logo.png) no-repeat top center; /* make sure to replace this! */ width: 326px; height: 67px; text-indent: -9999px; overflow: hidden; padding-bottom: 15px; display: block; }
 
-form {
-  margin-left: 8px;
-  padding: 26px 24px 46px;
-  font-weight: normal;
-  background: white;
-  border: 1px solid #E5E5E5;
-  border-radius: 3px;
-  box-shadow: none; }
+form { margin-left: 8px; padding: 26px 24px 46px; font-weight: normal; background: white; border: 1px solid #E5E5E5; border-radius: 3px; box-shadow: none; }
 
-body form .input {
-  font-family: "HelveticaNeue-Light","Helvetica Neue Light","Helvetica Neue",sans-serif;
-  font-weight: 200;
-  font-size: 24px;
-  width: 97%;
-  padding: 3px;
-  margin-top: 2px;
-  margin-right: 6px;
-  margin-bottom: 16px;
-  border: 1px solid #E5E5E5;
-  background: #FBFBFB;
-  outline: none;
-  box-shadow: inset 1px 1px 2px rgba(200, 200, 200, 0.2); }
+body form .input { font-family: "HelveticaNeue-Light","Helvetica Neue Light","Helvetica Neue",sans-serif; font-weight: 200; font-size: 24px; width: 97%; padding: 3px; margin-top: 2px; margin-right: 6px; margin-bottom: 16px; border: 1px solid #E5E5E5; background: #FBFBFB; outline: none; box-shadow: inset 1px 1px 2px rgba(200, 200, 200, 0.2); }
 
 /*
 You'll have to override some of the default styles
 but since we're referencing the id, it should be easy.
 */
 /* login button*/
+/*
+retina login logo
+*/
+@media only screen and (-webkit-min-device-pixel-ratio: 1.5), only screen and (min--moz-device-pixel-ratio: 1.5), only screen and (min-device-pixel-ratio: 1.5) { .login h1 a { background: url(../images/login-logo@2x.png) no-repeat top center; /* make sure to replace this! */ } }