/*"."为类(class)名选择器，"#"为id选择器，id优先级高于类(class),id一般预留给脚本。*/
body {
	/* background: url(img/13.jpg); */
	/*修改此处图片名称可改变背景图片*/
	background-repeat: no-repeat;
	background-size: cover;
}	
html,body {
	overflow: hidden;
	height: 100%;
}

#search_box {
	margin: 300px 20%;
}

.from {
	width: 100%;
	height: 50%;
}

.item1 input {
	border: 0; /*删除边框*/
	outline: none;
	border-bottom: 2px solid #ffffff;
	width: 75%;
	height: 80px;
	font-size: 30px;
	padding: 5px 10px;
	background: #ffffff00;
	color: #fff;
}

.item2 input {
	width: 140px;
	height: 80px;
	font-size: 30px;
	font-weight: 600;
	color: #fff;
	background: #FFFFFF00;
	border: 0;
	outline: none;
	border-bottom: 2px solid #ffffff;
	position: relative;
	left:80%;
	bottom:80px;
}

#menubox {
	display: none;
	background-color: rgba(255,255,255,0.5);
	width: 100%;
	height: 100%;
	color: #F0F8FF;
	border-radius: 40px;
	backdrop-filter: blur(30px);
	/*毛玻璃效果*/
}

.list {
	list-style: none;
	width: 100%;
	height: 8%;
	background-color: rbga(0,0,0,0);
	color: rgb(0,0,0);
	text-align: center;
	font-size: 50px;
}