*{
	padding: 0;
	margin: 0;
	list-style: none;
	font-family: "微软雅黑";
}
img{
	border: 0;
}
body{
	background: url(img/bg.jpg);
	overflow: hidden;

}
.box{
	width: 500px;
	height: 500px;
	border-left: 3px solid #EDEDED;
	border-top: 3px solid #EDEDED;
	border-right: 2px solid #EDEDED;
	border-bottom: 2px solid #EDEDED;
	position: fixed;
	left: 0;
	top: 0;
	right:0;
	bottom: 0;
	margin: auto;
}
.box .block{
	width: 24px;
	height: 24px;
	float: left;
	border-bottom: 1px solid #EDEDED;
	border-right: 1px solid #EDEDED;
}
.box .snake{
	background-image:url(img/2.png);
	background-size: cover;
}
.box .food{
	background-image:url(img/1.jpg);
	background-size: cover;
}
.tishi{
	width: 200px;
	height:100px;
	text-align: center;
	line-height: 100px;
	font-size: 18px;
	border-radius: 5px;
	background-color: #000;
	color: #fff;
	position: absolute;
	top: 0;
	right:0;
	left:0;
	bottom:0;
	margin: auto;
	z-index: 100;
	transition: transform 0.6s ease;
	transform: translateY(-1000px);
}
.tishi.show{
	transform: translateY(0);
}
.zailai,.kaishi,.zanting,.defen div,.defen span{
	display: block;
	width: 120px;
	height:50px;
	background: rgba(36,41,41,0.7);
	font-size: 18px;
	color:#fff;
	border-radius: 5px;
	text-align: center;
	line-height: 50px;
	cursor: pointer;
	z-index: 1000;
	position: fixed;
	right: 18%;
}
.defen div{
	top:30%;
}
.defen span{
	top: 40%;
}
.zailai{
	top:50%;
}
.kaishi{
	top:60%;
}
.zanting{
	top:70%;
}
.kaishi:hover,.zanting:hover,.zailai:hover{
	background: red;
}