Same placeholder styling single and multiple select (#67).

Author: Bastiaan van den Berg

src/select.component.scss

@@ -52,7 +52,7 @@ ng-select {
             }
 
             >div.placeholder {
-                color: #aaa;
+                color: #a9a9a9;
             }
 
             >div.clear,
@@ -110,15 +110,9 @@ ng-select {
                 }
             }
 
-            >div.placeholder {
-                color: #aaa;
-                line-height: 30px;
-            }
-
             input {
                 background-color: transparent;
                 border: none;
-                font-size: 15px;
                 height: 30px;
                 line-height: 30px;
                 padding: 0;