📄 6-10.html
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<html>
<head>
<title>七彩的下拉菜单</title>
<style>
<!--
.blue{
background-color:#7598FB;
color: #000000;
}
.red{
background-color:#E20A0A;
color: #ffffff;
}
.green{
background-color:#3CB371;
color: #ffffff;
}
.yellow{
background-color:#FFFF6F;
color: #000000;
}
.cyan{
background-color:00FFFF;
color:#000000;
}
.purple{
background-color:800080;
color:#FFFFFF;
}
-->
</style>
</head>
<body>
<form method="post">
<p><label for="color">Select your favorite color:</label>
<select name="color" id="color">
<option value="">Select One</option>
<option value="blue" class="blue">blue</option>
<option value="red" class="red">red</option>
<option value="green" class="green">green</option>
<option value="yellow" class="yellow">yellow</option>
<option value="cyan" class="cyan">cyan</option>
<option value="purple" class="purple">purple</option>
</select></p>
<p><input type="submit" name="btnSubmit" id="btnSubmit" value="Send!"></p>
</form>
</body>
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