.logoArea {
    opacity: 0.6;
    filter: alpha(opacity=60);
    background-color: #000;
    color: #fff;
    padding: 6px 7px;
    cursor: pointer;
    -webkit-transition: all .25s linear;
    -moz-transition: all .25s linear;
    -o-transition: all .25s linear;
    -ms-transition: all .25s linear;
    transition: all .25s linear;
    position: fixed;
    display: block;
    left: 20px;
    bottom: 20px;
    width: 140px;
    z-index: 99999999999999999999999;
}

.logoArea img {
    width: 100%;
}

.backArea {
    position: fixed;
    display: block;
    left: 30px;
    top: 20px;
    width: 90px;
    z-index: 100;
}

.backArea img {
    width: 100%;
}