button style improvements, modal positioning fix.

css/app.css

@@ -437,7 +437,10 @@ button[disabled] .label {
 .icon.nearby     { background-position: -340px 0px;}
 .icon.geolocate  { background-position: -360px 0px;}
 .icon.warning    { background-position: -380px 0px;}
-.icon.close-modal{ background-position: -200px -40px;}
+.icon.plus       { background-position: -400px 0px;}
+
+.icon.close-modal { background-position: -200px -40px;}
+
 .fillD .icon.avatar           { background-position: -320px -20px;}
 .fillD .icon.nearby           { background-position: -340px -20px;}
 
@@ -609,21 +612,17 @@ a.selected:hover .toggle.icon  { background-position: -40px -180px;}
     width: 60%;
 }
 
-.inspector-inner .add-tag-row {
-    width: 100%;
-}
-
-.inspector-inner .add-tag-row button {
-    border-radius: 0 0 4px 4px;
-}
-
 .inspector-inner .add-tag {
     width: 40%;
     height: 30px;
     border: 1px solid #ccc;
     border-top: 0;
-}
-
+    background: white;
+    border-radius: 0 0 4px 4px;
+    }
+    .inspector-inner .add-tag:hover {
+        background: #ececec;
+        }
 /* Map Controls */
 
 .map-control {
@@ -878,9 +877,11 @@ div.typeahead a:first-child {
     display: inline-block;
     position:absolute;
     width: 50%;
-    left: 25%;
+    left: 0;
+    right: 0;
+    margin: auto;
     max-width: 600px;
-    top:80px;
+    top: 80px;
     z-index: 3;
 }