Material PDF: Style audit and cleanup

chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css

Index: chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css
diff --git a/chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css b/chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css
index 1f858bc2b64e27c75ee48191c1fc4ea996297e8b..78c2cc3e1918615a20a0c78813aef19a1a1666f0 100644
--- a/chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css
+++ b/chrome/browser/resources/pdf/elements/viewer-page-selector/viewer-page-selector.css
@@ -3,25 +3,20 @@
  * found in the LICENSE file. */
 
 #pageselector {
+  --paper-input-container-underline: {
+    visibility: hidden;
+  };
+  --paper-input-container-underline-focus: {
+    visibility: hidden;
+  };
   display: inline-block;
-  width: 0.6em;
-}
-
-paper-input-container /deep/ .focused-line {
-  visibility: hidden;
-}
-
-paper-input-container /deep/ .unfocused-line {
-  visibility: hidden;
-}
-
-paper-input-container {
   padding: 0;
+  width: 0.6em;
 }
 
 input#input {
   color: #fff;
-  font-size: 1em;
+  font-size: 88.8%;
   line-height: 20px;
   padding: 3px;
   text-align: right;
@@ -35,7 +30,12 @@ input#input:hover {
 
 #pagelength {
   color: #fff;
-  font-size: 0.7em;
-  font-weight: 400;
+  font-size: 72.2%;
+  padding-left: 3px;
+}
+
+#pagelength-inner {
+  display: inline-block;
   padding-left: 3px;
+  text-align: left;
 }