body {
    background: url(bg.jpg) no-repeat center center fixed;
    background-size: cover;
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.center {
    position: fixed;
    left: 50%;
    top: 50%;
    width: 0;
    height: 0;
}

#banner {
    position: fixed;
    background: #fff;
    opacity: 0.5;
    color: #000;
    height: 2px;
    width: 0;
    line-height: 50px;
    overflow: hidden;
    z-index: 5;
    bottom: 15px;
    left: 0;
}

#boxes {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    list-style: none;
    padding: 0;
    margin: 0;
    z-index: 10;
}

#boxes li {
    width: 100px;
    height: 100px;
    position: absolute;
    background: #000;
    display: none;
}

#circle {
    width: 0;
    height: 0;
    border-radius: 50%;
    border: 5px solid #94d1cc;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    display: none;
}

#container {
    width: 400px;
    height: 400px;
    margin: auto;
    position: absolute;
    left: -200px;
    top: -200px;
    opacity: 0.8;
}

#info {
    position: absolute;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: 30;
    left: 0;
    top: 0;
    display: none;
}

#info .close {
    width: 12px;
    height: 12px;
    background: url(close.png);
    position: absolute;
    right: 15px;
    top: 15px;
    cursor: pointer;
}

#info .text {
    position: absolute;
    top: 50px;
    background: #fff;
    width: 320px;
    padding: 20px;
    left: 20px;
    height: 280px;
    overflow-y: scroll;
    font-family: 'PT Sans Narrow', Arial, sans-serif;
}

#menu {
    position: absolute;
    left: 0;
    top: 0;
    color: #fff;
    z-index: 20;
    width: 100%;
    list-style: none;
    margin: 0;
    padding: 0;
    opacity: 0.8;
}

#menu li {
    cursor: pointer;
    width: 200px;
    margin: 0 auto;
    background: #000;
    padding: 5px;
    text-align: center;
    margin-bottom: 5px;
}

#menu li:hover {
    background: #fff;
    color: #000;
}

#menu li span {
    display: none;
}

#pattern {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: url(pattern.png);
}