@charset "utf-8";
* {
    padding: 0;
    margin: 0;
}

li {
    list-style: none;
}

body {
    /*background:#FFFFE0;*/
    background-image: url("../images/3.jpg");
    background-size: 1376px 768px;
    font-family: "楷体","幼圆","微软雅黑";
}

#wrap {
    width: 530px;
    height: 320px;
    margin: 150px auto;
}

/* 左侧选项栏 */
#wrap #left {
    float: left;
    width: 200px;
    height: 300px;
    padding-top: 20px;
    font-size: 18px;
}

#wrap #left ul {
    width: 200px;
    height: 300px;
}

/* 开始游戏与难度选择的统一样式 */
#wrap #left ul li {
    width: 190px;
    height: 50px;
    line-height: 50px;
    padding-left: 10px;
    position: relative;
}

#wrap #left ul li span {
    display: block;
    width: 80px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
    margin: 5px 20px 0 0;
    background: #FFF8DC;
    border-right: solid 1px #aaa;
    border-bottom: solid 1px #aaa;
    position: absolute;
    top: 0;
    left: 100px;
}

#wrap #left ul li span.mouseOn {
    border-right: none;
    border-bottom: none;
    border-top: solid 1px #aaa;
    border-left: solid 1px #aaa;
}

/* 游戏规则样式 */
#wrap #left ul li#gameRule p {
    height: 30px;
    font-size: 15px;
}

/* 右侧图片 */
#wrap #right {
    float: left;
    width: 310px;
    height: 300px;
    padding: 10px 0 0 10px;
}

#wrap #right #imgArea {
    width: 300px;
    height: 300px;
    position: relative;
}

#wrap #right #imgArea div.imgCell {
    float: left;
    width: 73px;
    height: 73px;
    border: 1px solid #fff;
    border-radius: 4px;
    position: absolute;
    z-index: 10;
    box-shadow: 0px 0px 8px #fff;
    transition-property: background-position;
    transition-duration: 300ms;
    transition-timing-function: ease-in-out;
}

#wrap #right #imgArea div.hover {
    filter: alpha(opacity=80);
    opacity: .8;
    box-shadow: 0px 0px 8px #000;
    z-index: 20;
    *border: 1px solid #09F;
}
.return{
    position: fixed;
    bottom: 50px;
    right: 50px;
    width: 80px;
    height: 30px;
    text-align: center;
    color: #fff;
    font:12px/30px "幼圆";
    border: 1px solid #ccc;
    background: rgba(0,0,0,0.4);
    cursor: pointer;
    text-decoration: none;
}