footer{
    background-image: url('../img/footer-bg.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    position: relative;
    z-index: 9;
}
.footer-box{
    width: 1200px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    text-align: center;
    padding: 20px 0;

}
.footer-logo-box{
    margin: 20px auto;
    padding-bottom: 20px;
}
.footer-info-box{
    display: block;
}
.footer-info-box li{
    margin-bottom: 10px;
    font-size: 14px;
    color: #FFF;
    list-style: none;
    letter-spacing: 2px;
}
.footer-name{
    display: inline-block;
    vertical-align: middle;
}
.footer-info-box li span{
    display: inline-block;
    font-size: 14px;
    color: #FFF;
    vertical-align: middle;
}
.web{
    font-size: 12px;
    color: #FFF;
    letter-spacing: 2px;
}

.index-back-box{
    width: 50px;
    height: 50px;
    display: block;
    position: fixed;
    right: 20px;
    bottom: 5%;
    border-radius: 50%;
    background-repeat: no-repeat;
    background-size: 90%;
    background-position: center;
    background-image: url(../img/back-index.png);
    border: 2px solid #39add0;
    background-color: #FFF;
    transition: all .5s ease;
    z-index: 99;
}
.index-back-box:hover{
    background-color:  #39add0;
    background-image: url(../img/back-index2.png);
}