Considering that the :checked pseudo-course applies to the checkbox, #demo:checked + label will only apply if the checkbox is checked. #copyTarget width: 400px; top: 400px; border: 1px groove grey; coloration: navy; text-align: Heart; box-shadow: 0 4px 8px 0 grey; #copyTarget h1 coloration: blue; #copyTarget h2 color: crimson; #copyTarget h3 color: https://johnnyufisa.blogsvila.com/39851579/not-known-factual-statements-about-official-website