[WebUI] Fix all CSS nits in chrome/browser/resources/chromeos.

chrome/browser/resources/chromeos/login/network_dropdown.css

Index: chrome/browser/resources/chromeos/login/network_dropdown.css
diff --git a/chrome/browser/resources/chromeos/login/network_dropdown.css b/chrome/browser/resources/chromeos/login/network_dropdown.css
index 3477c6b942e50823269ee36538be7da97ab6ac9f..cdb7b2d3252c28eac811279bedd67057d7179680 100644
--- a/chrome/browser/resources/chromeos/login/network_dropdown.css
+++ b/chrome/browser/resources/chromeos/login/network_dropdown.css
@@ -18,8 +18,8 @@
                        color-stop(1, rgb(222, 222, 222)));
   background-position: center right;
   background-repeat: no-repeat;
-  border-radius: 2px;
   border: 1px solid rgba(0, 0, 0, 0.25);
+  border-radius: 2px;
   box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08),
       inset 0 1px 2px rgba(255, 255, 255, 0.75);
   color: #444;
@@ -28,11 +28,11 @@
   height: 22px;
   margin: 0;
   overflow: hidden;
-  padding-top: 2px;
   padding-bottom: 2px;
-  text-overflow: ellipsis;
+  padding-top: 2px;
   text-align: left;
   text-indent: 4px;
+  text-overflow: ellipsis;
   text-shadow: 0 1px 0 rgb(240, 240, 240);
   white-space: nowrap;
   z-index: 10;
@@ -79,7 +79,7 @@
 
 .dropdown-container {
   background: #f7f7f7;
-  border: 1px solid #7c91bf;
+  border: 1px solid rgb(124, 145, 191);
   max-height: 330px;
   overflow-x: hidden;
   overflow-y: auto;
@@ -98,7 +98,7 @@
 }
 
 .dropdown-item-container.hover {
-  background: #dce4fa;
+  background: rgb(220, 228, 250);
 }
 
 .dropdown-image {
@@ -107,8 +107,8 @@
 
 .dropdown-item {
   -webkit-box-flex: 1;
-  cursor: default;
   color: #555;
+  cursor: default;
   overflow: hidden;
   padding-top: 4px;
   text-overflow: ellipsis;
@@ -120,8 +120,8 @@
 }
 
 .dropdown-divider hr {
-  -webkit-margin-before: 2px;
   -webkit-margin-after: 2px;
+  -webkit-margin-before: 2px;
 }
 
 .dropdown-item.disabled-item {