.pkp_site_name .is_img img {
    display: block;
    width: auto;
    height: auto;
}

.pkp_site_name .is_img img {
    max-height: 337px !important;
}



a {
    color: #2b008fde;
}

.btn-default, .pkp_block.block_make_submission a {
    color: #ffffff;
    background-color: #337ab7;
    border-color: #ff0;
}