remove unnecessary reset CSS (#152)

Author: antony

public/global.css

@@ -43,10 +43,6 @@ input:disabled {
 	color: #ccc;
 }
 
-input[type="range"] {
-	height: 0;
-}
-
 button {
 	color: #333;
 	background-color: #f4f4f4;