:root {
 --main-text-color: #202020;
 --heading-bg-color: gainsboro;
 --heading-font-size: 42px;
 --footing-bg-color: gainsboro;
 --heading-border-color: #202020;
 --footing-border-color: #202020;
 --heading-shadow-color: gray;
 --main-bg-color: gainsboro;
 --main-border-color: dimgray;
 --main-link-color: mediumblue;
 --emphasis-link-color: #dd2222;
}