fix dark mode (#1928)

Author: adereksisusanto

resources/css/base.css

@@ -6,10 +6,6 @@ table {
     width: 100%;
 }
 
-select {
-    background-color: inherit;
-}
-
 .loader {
     border-top-color: #222;
     -webkit-animation: spinner 1.5s linear infinite;