HTML a taghttps://www.w3schools.com/tags/tag_a.aspHTML br taghttps://www.w3schools.com/tags/tag_br.aspCSS background Propertyhttps://www.w3schools.com/cssref/css3_pr_background.aspCSS border Propertyhttps://www.w3schools.com/cssref/pr_border.aspJavaScript Date Objecthttps://www.w3schools.com/jsref/jsref_obj_date.aspJavaScript Array Objecthttps://www.w3schools.com/jsref/jsref_obj_array.asp