.header_wa {
    color: #fff;
    float: right;
    height: 35px;
    line-height: 35px;
    position: absolute;
    right: 145px;
    text-align: center;
    top: 39px;
    width: 55px;
    display: none;
}
.header_wa a i {
    color: #fff;
    display: block;
    font-size: 19px;
    line-height: 35px;
}



@media (max-width:767px) {
    .header_wa {
        display: block;
}