リンクの背景と文字色を上書きしたい。
<!doctype html>
<html>
<head>
<meta charset="utf-8"/>
<link href="index.css" rel="stylesheet"/>
<style>
#abc{
background:#ffffff; // doesn't work
color:#008080; // doesn't work
}
</style>
</head>
<body>
<?php include 'inc/menum.php';?>
menum.php
<div id="divL">
<a href='abc.php' id='abc'>ABC</a>
<a href='universe.php' id='universe'>UNIVERSE</a>
<a href='strel.php' id='strel'>STREL</a>
</div>
index.css
#divL a{
background:#008080; // works
color:#ffffff; // works
}