styles.css

html {
  font-size: 62.5%;
  box-sizing: border-box;
  height: 100dvh;
  width: 100vw;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: inherit;
}

body {
  width: 100%;
  height: 100%;

  background: url(./images/viking-ship-large.jpg) rgb(29, 36, 36);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;

  font-family: serif;
  font-size: 1.8rem;
  text-transform: uppercase;

  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;

  transition: all 300ms;
}

.container {
  margin-top: 20%;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
}

h1 {
  margin-bottom: 1rem;
}

ul {
  list-style-type: none;
}

ul li {
  margin-top: 0.5rem;
  font-weight: 700;
  letter-spacing: 1.3px;
}

a:link,
a:visited {
  color: inherit;
  text-decoration: none;
}

a:hover,
a:active {
  cursor: pointer;
  text-decoration: underline;
  color: #aaa;
}

p {
  text-align: center;
  background-color: #333;
  opacity: 0.7;
  color: #fff;
  display: inline-block;
  padding: 2rem;
  width: 100%;
}