html, body {
  height: 100%;
  width: 100%;
  margin: 0px;
  background: linear-gradient(90deg, rgba(47,54,64,1) 23%, rgba(24,27,32,1) 100%);
  overflow: hidden;
}

.moon {
  background: linear-gradient(90deg, rgba(208,208,208,1) 48%, rgba(145,145,145,1) 100%);
  position: absolute;
  top: -100px;
  left: -300px;
  width: 900px;
  height: 900px;
  border-radius: 100%;
  box-shadow: 0px 0px 30px -4px rgba(0,0,0,0.5);
}

.moon__crater {
  position: absolute;
  border-radius: 100%;
  background: linear-gradient(90deg, rgba(122,122,122,1) 38%, rgba(195,195,195,1) 100%);
  opacity: 0.6;
}

.moon__crater1 { top: 250px; left: 500px; width: 60px; height: 180px; }
.moon__crater2 { top: 650px; left: 340px; width: 40px; height: 80px; transform: rotate(55deg); }
.moon__crater3 { top: -20px; left: 40px; width: 65px; height: 120px; transform: rotate(250deg); }

.star {
  background: grey;
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 100%;
  transform: rotate(250deg);
  opacity: 0.4;
  animation: shimmer 1.5s infinite alternate;
}

@keyframes shimmer {
  from { opacity: 0; }
  to { opacity: 0.7; }
}

.star1 { top: 40%; left: 50%; animation-delay: 1s; }
.star2 { top: 60%; left: 90%; animation-delay: 3s; }
.star3 { top: 10%; left: 70%; animation-delay: 2s; }
.star4 { top: 90%; left: 40%; }
.star5 { top: 20%; left: 30%; animation-delay: 0.5s; }

.error {
  position: absolute;
  left: 100px;
  top: 400px;
  transform: translateY(-60%);
  font-family: 'Righteous', cursive;
  color: #363e49;
}

.error__title { font-size: 10em; }
.error__subtitle { font-size: 2em; }
.error__description { opacity: 0.5; }

.error__button {
  min-width: 7em;
  margin-top: 3em;
  margin-right: 0.5em;
  padding: 0.5em 2em;
  outline: none;
  border: 2px solid #2f3640;
  background-color: transparent;
  border-radius: 8em;
  color: #576375;
  cursor: pointer;
  transition-duration: 0.2s;
  font-size: 0.75em;
  font-family: 'Righteous', cursive;
}

.error__button:hover { color: #21252c; }

.error__button--active {
  background-color: #e67e22;
  border: 2px solid #e67e22;
  color: white;
}

.error__button--active:hover {
  box-shadow: 0px 0px 8px 0px rgba(0,0,0,0.5);
  color: white;
}

.astronaut {
  position: absolute;
  width: 185px;
  height: 300px;
  left: 70%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(20deg) scale(1.2);
}

.astronaut__head {
  background-color: white;
  position: absolute;
  top: 60px;
  left: 60px;
  width: 60px;
  height: 60px;
  border-radius: 2em;
}

.astronaut__head-visor-flare1 {
  background-color: #7f8fa6;
  position: absolute;
  top: 28px;
  left: 40px;
  width: 10px;
  height: 10px;
  border-radius: 2em;
  opacity: 0.5;
}

.astronaut__head-visor-flare2 {
  background-color: #718093;
  position: absolute;
  top: 40px;
  left: 38px;
  width: 5px;
  height: 5px;
  border-radius: 2em;
  opacity: 0.3;
}

.astronaut__backpack {
  background-color: #bfbfbf;
  position: absolute;
  top: 90px;
  left: 47px;
  width: 86px;
  height: 90px;
  border-radius: 8px;
}

.astronaut__body {
  background-color: #e6e6e6;
  position: absolute;
  top: 115px;
  left: 55px;
  width: 70px;
  height: 80px;
  border-radius: 8px;
}

.astronaut__body__chest {
  background-color: #d9d9d9;
  position: absolute;
  top: 140px;
  left: 68px;
  width: 45px;
  height: 25px;
  border-radius: 6px;
}

.astronaut__arm-left1 {
  background-color: #e6e6e6;
  position: absolute;
  top: 127px;
  left: 9px;
  width: 65px;
  height: 20px;
  border-radius: 8px;
  transform: rotate(-30deg);
}

.astronaut__arm-left2 {
  background-color: #e6e6e6;
  position: absolute;
  top: 102px;
  left: 7px;
  width: 20px;
  height: 45px;
  border-radius: 8px;
  transform: rotate(-12deg);
  border-top-left-radius: 8em;
  border-top-right-radius: 8em;
}

.astronaut__arm-right1 {
  background-color: #e6e6e6;
  position: absolute;
  top: 113px;
  left: 100px;
  width: 65px;
  height: 20px;
  border-radius: 8px;
  transform: rotate(-10deg);
}

.astronaut__arm-right2 {
  background-color: #e6e6e6;
  position: absolute;
  top: 78px;
  left: 141px;
  width: 20px;
  height: 45px;
  border-radius: 8px;
  transform: rotate(-10deg);
  border-top-left-radius: 8em;
  border-top-right-radius: 8em;
}

.astronaut__arm-thumb-left {
  background-color: #e6e6e6;
  position: absolute;
  top: 110px;
  left: 21px;
  width: 10px;
  height: 6px;
  border-radius: 8em;
  transform: rotate(-35deg);
}

.astronaut__arm-thumb-right {
  background-color: #e6e6e6;
  position: absolute;
  top: 90px;
  left: 133px;
  width: 10px;
  height: 6px;
  border-radius: 8em;
  transform: rotate(20deg);
}

.astronaut__wrist-left {
  background-color: #e67e22;
  position: absolute;
  top: 122px;
  left: 6.5px;
  width: 21px;
  height: 4px;
  border-radius: 8em;
  transform: rotate(-15deg);
}

.astronaut__wrist-right {
  background-color: #e67e22;
  position: absolute;
  top: 98px;
  left: 141px;
  width: 21px;
  height: 4px;
  border-radius: 8em;
  transform: rotate(-10deg);
}

.astronaut__leg-left {
  background-color: #e6e6e6;
  position: absolute;
  top: 188px;
  left: 50px;
  width: 23px;
  height: 75px;
  transform: rotate(10deg);
}

.astronaut__leg-right {
  background-color: #e6e6e6;
  position: absolute;
  top: 188px;
  left: 108px;
  width: 23px;
  height: 75px;
  transform: rotate(-10deg);
}

.astronaut__foot-left {
  background-color: white;
  position: absolute;
  top: 240px;
  left: 43px;
  width: 28px;
  height: 20px;
  transform: rotate(10deg);
  border-radius: 3px;
  border-top-left-radius: 8em;
  border-top-right-radius: 8em;
  border-bottom: 4px solid #e67e22;
}

.astronaut__foot-right {
  background-color: white;
  position: absolute;
  top: 240px;
  left: 111px;
  width: 28px;
  height: 20px;
  transform: rotate(-10deg);
  border-radius: 3px;
  border-top-left-radius: 8em;
  border-top-right-radius: 8em;
  border-bottom: 4px solid #e67e22;
}

.astronaut__cord {
  position: absolute;
  top: -75px;
  left: 200px;
  transform: translateX(-50%);
}

.astronaut__cord canvas {
  display: block;
}


.error__button {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    color: white;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(102,126,234,0.4);
}

.error__button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102,126,234,0.6);
}