:root {
  --back-gr-color: #fffffe;
  --head-line: #094067;
  --btn: #3da9fc;
  --paragraph: #5f6c7b;
  --tertiary: #ef4565;
  --secondary: #90b4ce;
  --backgr-div: #d8eefe;
}

body {
  max-width: 1024px;
  margin: auto;

  font-family: "Helvetica", "Arial", sans-serif;
  color: var(--paragraph);

  background-color: var(--back-gr-color);
}

h1 {
  text-align: center;
}

h2 {
  padding-top: 13px;
}

.navigation-list {
  display: flex;
  justify-content: space-between;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navigation-list li {
  width: 120px;
  height: 70px;
}

.navigation-list li > a {
  display: block;
  padding: 0.3em;

  text-decoration: none;

  border: 2px solid var(--head-line);
  border-radius: 5px;
}

.navigation-list li a:link,
.navigation-list li a:visited {
  color: var(--paragraph);
}

.navigation-list li a:hover {
  position: relative;
  top: 1px;

  font-size: 1.3em;
  font-weight: bold;
  color: var(--back-gr-color);

  background-color: var(--btn);
  border: 2px solid var(--head-line);
}

section {
  text-align: center;

  background-color: var(--backgr-div);
}

p {
  padding: 13px;
}

.code-block {
  display: inline-block;
  margin-bottom: 13px;

  text-align: left;

  background-color: #fcf3e5c9;
  border: 1px solid var(--head-line);
  border-radius: 5px;
}

.avatar {
  display: block;
  margin: 10px auto;

  border: 2px solid var(--head-line);
  border-radius: 15px;
}

.avatar:hover {
  border: 2px solid var(--head-line);
}

.contact-list {
  padding-left: 45%;

  text-align: left;

  list-style-type: none;
}

.contact-ico {
  height: 30px;
  width: 30px;

  vertical-align: middle;
}

.contact-list li a {
  font-weight: bold;
  text-decoration: none;
  color: var(--tertiary);
}

.contact-list li a:hover {
  text-shadow: 0px 4px 5px #808080;
}

.footer-div {
  display: flex;
  justify-content: flex-end;
  height: 50px;
}

.footer-link {
  align-self: flex-end;

  text-decoration: none;
  color: #808080;
}

.footer-link:hover {
  text-shadow: 0px 4px 17px #808080;
  color: #ec8383;
}