html {
  box-sizing: border-box;
  background: #eeeeee;
  font-family: "VT323";
  font-size: 20px;
  font-weight: 200;
}

* {
  margin: 0;
  padding: 0;
}

::-webkit-scrollbar {
  display: none;
}

.start-click {
  cursor: pointer;
  position: absolute;
  top: 50vh;
  left: 50vw;
  text-shadow: 0 0 2px black;
  transform: translate(-50%, -50%);
  font-size: 2rem;
  color: white;
  z-index: 10;
}

.main {
  position: relative;
  width: 10000vw;
  height: 100vh;
  background: url(img/bg.png);
  background-position: bottom;
}

.character {
  width: 112px;
  height: 112px;
  background: url(img/mario_spritesheet.png);
  position: absolute;
  bottom: 64px;
  left: -100px;
  transition: all 3s linear;
  animation: animate 0.1s linear infinite;
}
@keyframes animate {
  0%,
  33.32% {
    background-position-x: 0px;
  }
  33.33%,
  66.65% {
    background-position-x: 112px;
  }
  66.66%,
  99.99% {
    background-position-x: 224px;
  }
}

.character.start {
  left: 90vw;
}

.character.fixed {
  position: fixed;
}

.enemy-container {
  position: absolute;
  width: 112px;
  height: 112px;
  top: 20vh;
  left: 300vw;
  transform: rotate(0deg);
  animation: rotation 3s linear infinite;
}
@keyframes rotation {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.enemy-container.fixed {
  position: fixed;
}

.enemy {
  position: relative;
  top: 100px;
  right: 100px;
  width: 112px;
  height: 112px;
  background: url(img/sun.png);
  transition: all 3s linear;
  animation: inner-rotation 3s linear infinite;
}
@keyframes inner-rotation {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(-180deg);
  }
  100% {
    transform: rotate(-360deg);
  }
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

.site-wrap {
  max-width: 700px;
  margin: 70px auto;
  background: white;
  padding: 40px;
  text-align: justify;
  box-shadow: 0 0 10px 5px rgba(0, 0, 0, 0.05);
  transform: scale(0.98);
  transition: transform 0.5s;
}

body.fixed-nav .site-wrap {
  transform: scale(1);
}

header {
  text-align: center;
  height: 50vh;
  background: url(http://wes.io/iEgP/wow-so-deep.jpg) bottom center no-repeat;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
}

h1 {
  color: white;
  font-size: 7vw;
  text-shadow: 3px 4px 0 rgba(0, 0, 0, 0.2);
}

nav {
  background: black;
  top: 0;
  width: 100%;
  transition: all 0.5s;
  position: relative;
  z-index: 1;
}

body.fixed-nav nav {
  position: fixed;
  box-shadow: 0 5px 0 rgba(0, 0, 0, 0.1);
}

nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
}

nav li {
  flex: 1;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

li.logo {
  max-width: 0;
  overflow: hidden;
  background: white;
  transition: all 0.5s;
  font-weight: 600;
  font-size: 30px;
}

li.logo a {
  color: black;
}

.fixed-nav li.logo {
  max-width: 500px;
}

nav a {
  text-decoration: none;
  padding: 20px;
  display: inline-block;
  color: white;
  transition: all 0.2s;
  text-transform: uppercase;
}