我有一个带项目的下拉菜单,我想使用ODD和EVEN来交替颜色.我的问题是......样式下载列表项的CSS代码是什么?
使用CSS nth-child伪类:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>HTML Dropdown list item baground colors</title>
<style type="text/css">
#myForm select option:nth-child(odd) {
color:black;
background:yellow;
}
#myForm select option:nth-child(even) {
color:white;
background:blue;
}
#myForm select {
background:green;
color:orange;
}
</style>
</head>
<body>
<form id="myForm" action="#" method="get">
<select>
<option>A</option>
<option>B</option>
<option>C</option>
<option>D</option>
<option>E</option>
<option>F</option>
</select>
</div>
</body>
</html>
Run Code Online (Sandbox Code Playgroud)