.pkp_site_name{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 15px 0;
}

.pkp_site_name .is_img{
    display: block;
    max-height: auto !important;
    max-width:100%;
}

.pkp_site_name img{
    display: block;
    max-width: 100%;
    height: auto;
}