.ms-lightbox-template {
max-width: 750px;
padding: 5px 5px 0.1px 5px;
margin: 0 auto;
background: #000;
}
.ms-lightbox-template .ms-lightbox-btn {
position: absolute;
bottom: 20px;
right: 20px;
}
.ms-lightbox-template .ms-lightbox {
text-indent: 9999px;
display: block;
width: 55px;
height: 52px;
margin: -42px;
background: url(//lawfirm.co.nz/wp-content/themes/corporate-pro/images/lightbox-btn.png) no-repeat center;
}