.biz-pdf-fullscreen, .biz-pdf-exitpdf {
    margin: 9px 2px;
    display: inline-flex;
    height: 30px;
    width: 30px;
}


.biz-pdf-fullscreen-btn, .biz-pdf-exitpdf-btn {
    cursor: pointer;
    top: 4px;
    position: relative;
    font-size: 14px;
    border: none;
    background-color: transparent;
}
.biz-pdf-exitpdf-btn {
    top: 2px;
}

    .biz-exitfullscreen::before {
        content: '\e337';
    }
.biz-enterfullscreen::before {
    content: '\e657';
}

.biz-pdf-exitpdf-btn::before {
    content: '\e7a7';
    font-weight: 900;
}