前端第二次作业

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			*{
				margin: 0;
				padding: 0;
			}
			#menu{
				background-color: purple;
				width: 100%;
				height: 50px;
			}
			.item{
				float: left;
				width: 100px;
				height: 50px;
				line-height: 50px;
				/* border: 1px solid red; */
				text-align: center;
				color: white;
				position: relative;
			} 
			.item:hover{
				background-color: red;
			}
			#container{
				width: 720px;
				margin: auto;
			}
			.down_menu{
				display: none;
				position: absolute;
			}
			.item:hover > .down_menu{
				background-color: #cccccc;
				display: block;
				color: black;
				left: 20px;
			}
		</style>
	</head>
	<body>
		<div id="menu">
			<div id="container">
			    <div class="item">game1
				    <div class="down_menu">
						<div>xiazai</div>
						<div>jiaoyi</div>
						<div>waigua</div>
						<div>gonglv</div>
					</div>
				</div>
			    <div class="item">game2
				    <div class="down_menu">
				    	<div>xiazai</div>
				    	<div>jiaoyi</div>
				    	<div>waigua</div>
				    	<div>gonglv</div>
				    </div>
				</div>
			    <div class="item">game3
				    <div class="down_menu">
				    	<div>xiazai</div>
				    	<div>jiaoyi</div>
				    	<div>waigua</div>
				    	<div>gonglv</div>
				    </div>
				</div>
			    <div class="item">game4
				    <div class="down_menu">
				    	<div>xiazai</div>
				    	<div>jiaoyi</div>
				    	<div>waigua</div>
				    	<div>gonglv</div>
				    </div>
				</div>	
			    <div class="item">game5
				    <div class="down_menu">
				    	<div>xiazai</div>
				    	<div>jiaoyi</div>
				    	<div>waigua</div>
				    	<div>gonglv</div>
				    </div>
				</div>
			    <div class="item">game6
				    <div class="down_menu">
				    	<div>xiazai</div>
				    	<div>jiaoyi</div>
				    	<div>waigua</div>
				    	<div>gonglv</div>
				    </div>
				</div>
			</div>
		</div>
	</body>
</html>

效果图