From ed8f4847f06ef0d89a7f79e234e654a01eee2564 Mon Sep 17 00:00:00 2001
From: Giampaolo Bellavite <gpberlin@gmail.com>
Date: Thu, 4 Dec 2014 01:01:47 +0100
Subject: [PATCH] Use the general sibling selector for :focus

---
 src/less/components/input.less | 26 +++++++++++---------------
 1 file changed, 11 insertions(+), 15 deletions(-)

diff --git a/src/less/components/input.less b/src/less/components/input.less
index 58cfe84ca194b4..22fca100067185 100644
--- a/src/less/components/input.less
+++ b/src/less/components/input.less
@@ -106,31 +106,27 @@
     &:focus, &:valid {
       outline: none;
       box-shadow: none;
-      &+.mui-input-placeholder {
+      &~.mui-input-placeholder {
         color: blue;
         font-size: @input-placeholder-size !important;
         font-weight: 300;
         top: -32px;
         .ease-out;
-
-        &+.mui-input-highlight {
+      }
+      &~.mui-input-highlight {
           width: 0;
           background-color: blue;
           .ease-out;
-
-          &+.mui-input-bar {
-
-            &::before, &::after {
-              background-color: blue;
-              width: 50%;
-            }
-
-            &+.mui-input-description {
-              display: block;
-            }
-          }
+      }
+      &~.mui-input-bar {
+        &::before, &::after {
+          background-color: blue;
+          width: 50%;
         }
       }
+      &~.mui-input-description {
+        display: block;
+      }
     }
 
     &:not(:focus):valid {