i want to embed link next to easy fansy box

hi, i want to make link below to fansy box.
https://i.imgur.com/9lvq2Nb.jpg

i arleady have CSS style editor on jetpack.

.fancybox-bg {
	position: absolute;
	padding: 0;
	padding-top: 0;
	padding-right: 0;
	padding-bottom: 0;
	padding-left: 0;
	margin: 0;
	margin-top: 0;
	margin-right: 0;
	margin-bottom: 0;
	margin-left: 0;
	border: 0 none;
	border-top-width: 0;
	border-right-width: 0;
	border-bottom-width: 0;
	border-left-width: 0;
	border-top-style: none;
	border-right-style: none;
	border-bottom-style: none;
	border-left-style: none;
	border-top-color: -moz-use-text-color;
	border-right-color: -moz-use-text-color;
	border-bottom-color: -moz-use-text-color;
	border-left-color: -moz-use-text-color;
	border-image-source: none;
	border-image-slice: 100% 100% 100% 100%;
	border-image-width: 1 1 1 1;
	border-image-outset: 0 0 0 0;
	border-image-repeat: stretch stretch;
	width: 20px;
	height: 20px;
	z-index: 1001;
}

css, light box, html