Initial accounts options page.

chrome/browser/resources/options/options_page.css

 #settings-title {
   height: 30px;
   padding-right: 15px;
   padding-top: 20px;
   text-align: right;
   font-size: 140%;
   color: #c7c7c7;
 }
 
 #main-content {
   display: -webkit-box;
   position: absolute;
   left: 0;
   right: 0;
   top: 0;
   bottom: 0;
 }
 
+.overlay {
+  position: fixed;
+  left: 0;
+  right: 0;
+  background: rgba(0, 0, 0, .5);
+  top: 0;
+  bottom: 0;
+  z-index: 10;
+  padding: 20px;
+}
+
+#close-overlay {
+  float: right;
+  position: relative;
+  right: -20px;
+  top: -20px;
+  width: 20px;
+  height: 20px;
+}
+
+#overlayview {
+  background: white;
+  border-radius: 5px;
+  padding: 30px;
+}
+
 #navbar-container {
   background: -webkit-gradient(linear,
                                left top,
                                left bottom,
                                from(rgba(255,255,255,0)),
                                color-stop(0.7, rgba(255,255,255,0)),
                                to(white)),
               -webkit-gradient(linear,
                                left top,
                                right top,
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 }
 
 section {
   margin-top: 10px;
   border-bottom: 1px solid #ededed;
   padding-bottom: 10px;
   clear: left;
 }
 
 section > h3 {
-  font-weight: bold; 
+  font-weight: bold;
   float: left;
   width: 150px;
   font-size: 75%;
   padding-left: 15px;
 }
 
 section > div:only-of-type  {
   margin-left: 175px;
 }
 
@@ skipping 10 matching lines @@
   -webkit-margin-start: 18px;
 }
 
 .hidden {
   display: none;
 }
 
 .touch-slider {
   -webkit-appearance: slider-horizontal;
 }