footer section {
    margin-bottom: 26px;
}
.container_copyright {
    border-top: 1px solid #ccc;
    clear: both;
    margin-top: 4px;
    padding-top: 20px;
}
.sp_text_copy {
    float: left;
}
.sp_icons_pay {
    float: right;
}
.sp_icons_pay ul li {
    float: left;
    margin-left: 8px;
}
#back_top {
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 100%;
    bottom: 35px;
    color: #ffffff;
    cursor: pointer;
    display: none;
    padding: 13px;
    position: fixed;
    right: 10px;
    text-align: center;
    transition: all 0.3s ease-out 0s;
    z-index: -9998;
    display:none;
}
#back_top span {
    background: none repeat scroll 0 0 #808080;
    border: 1px solid #ffffff;
    border-radius: 100%;
    display: block;
    height: 44px;
    line-height: 44px;
    text-align: center;
    width: 44px;
}
#back_top i {
    font-size: 28px;
}