style.css

:root {
  --accent-color: #55af5a;
  --title-color: #fdfef8;
  --icon-size: 42px;
  --icon-color: rgb(0 0 0 / 80%);
}

::selection {
  background-color: var(--accent-color);
  text-shadow: none;
}

html {
  height: 100%;
  min-height: 100%;
}

html * {
  box-sizing: border-box;
}

body {
  display: flex;
  width: 100%;
  min-height: 100%;
  flex-flow: column nowrap;
  align-items: center;
  justify-content: center;
  background: url("./images/bg.jpg") no-repeat center center fixed;
  background-size: cover;
  box-shadow:
    inset 0 2em 20em rgb(0 0 0 / 80%),
    inset -2em 2em 20em rgb(0 0 0 / 80%),
    inset 0 -2em 20em rgb(0 0 0 / 80%),
    inset 2em -2em 20em rgb(0 0 0 / 80%);
  font-family: Montserrat, sans-serif;
}

.quoted {
  quotes: "\201c" "\201d";
}

.quoted::before {
  content: open-quote;
}

.quoted::after {
  content: close-quote;
}

#hero {
  display: flex;
  width: 100%;
  flex-flow: column nowrap;
  align-items: center;
  justify-content: center;
}

#title {
  text-align: center;
}

#title h1 {
  margin: 0;
  color: var(--title-color);
  font-size: 4em;
  letter-spacing: -1px;
  line-height: 1;
  text-shadow: 2px 1px rgb(0 0 0 / 75%);
}

#title .quoted {
  color: var(--accent-color);
}

#nav {
  margin-top: 1.5rem;
}

#menu {
  display: flex;
  flex-flow: row wrap;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  list-style: none;
}

#menu > li {
  margin: 0 1rem;
}

#menu > li > a {
  display: inline-block;
  text-decoration: none;
}

#menu > li > a > .icon {
  color: var(--icon-color);
  font-size: 3em;
  text-shadow: 1px 1px rgb(255 255 255 / 25%);
}

#menu > li > a > .icon:hover {
  color: var(--accent-color);
  text-shadow: 1px 1px rgb(0 0 0 / 80%);
}

@media (width <= 767px) {
  #hero {
    margin-top: 100px;
  }

  #menu {
    flex-flow: column wrap;
  }

  #menu > li {
    margin: 1rem;
  }
}