* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background-color: #416475;
  margin-bottom: 50px;
}
.error {
  position: relative;
  top: 200px;
  text-align: center;
  user-select: none;
}
h1 {
  color: #a8d5eb;
  letter-spacing: 6px;
}

.text {
  font-size: 28px;
  color: #93b3c4;
  font-weight: 600;
  margin-top: 20px;
}

.error-container {
  position: relative;
  font-family: Arial, sans-serif;
  font-size: 240px;
  font-weight: 800;
}
.error-container > span {
  position: relative;
  display: inline-block;
  vertical-align: middle;
}

.error-container > span:nth-child(1) {
  color: #d1f2a5;
  animation: colordancing 4s infinite;
}
.error-container > span:nth-child(3) {
  color: #f56991;
  animation: colordancing2 4s infinite;
}
.error-container > span:nth-child(2) {
  width: 140px;
  height: 140px;
}
.error-container > span:nth-child(2):before,
.error-container > span:nth-child(2):after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: inherit;
  height: inherit;
  border-radius: 50%;
  animation: shadowdancing 4s infinite;
}
.error-container > span:nth-child(2):before {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
}

.screen-reader-text {
  position: absolute;
  top: -9999em;
  left: -9999em;
}

@media screen and (max-width: 600px) {
  .error-container {
    font-size: 120px;
    top: 10px;
    transition: all 1s;
  }
  .error-container > span:nth-child(2) {
    width: 72px;
    height: 72px;
  }
  .error-container > span:nth-child(2):before,
  .error-container > span:nth-child(2):after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: inherit;
    height: inherit;
    border-radius: 50%;
    animation: shadowdancing2 4s infinite;
  }
}

@keyframes shadowdancing {
  0% {
    box-shadow: inset 30px 0 0 rgba(209, 242, 165, 0.4),
      inset 0 30px 0 rgba(239, 250, 180, 0.4),
      inset -30px 0 0 rgba(255, 196, 140, 0.4),
      inset 0 -30px 0 rgba(245, 105, 145, 0.4);
  }
  25% {
    box-shadow: inset 30px 0 0 rgba(245, 105, 145, 0.4),
      inset 0 30px 0 rgba(209, 242, 165, 0.4),
      inset -30px 0 0 rgba(239, 250, 180, 0.4),
      inset 0 -30px 0 rgba(255, 196, 140, 0.4);
  }
  50% {
    box-shadow: inset 30px 0 0 rgba(255, 196, 140, 0.4),
      inset 0 30px 0 rgba(245, 105, 145, 0.4),
      inset -30px 0 0 rgba(209, 242, 165, 0.4),
      inset 0 -30px 0 rgba(239, 250, 180, 0.4);
  }
  75% {
    box-shadow: inset 30px 0 0 rgba(239, 250, 180, 0.4),
      inset 0 30px 0 rgba(255, 196, 140, 0.4),
      inset -30px 0 0 rgba(245, 105, 145, 0.4),
      inset 0 -30px 0 rgba(209, 242, 165, 0.4);
  }
  100% {
    box-shadow: inset 30px 0 0 rgba(209, 242, 165, 0.4),
      inset 0 30px 0 rgba(239, 250, 180, 0.4),
      inset -30px 0 0 rgba(255, 196, 140, 0.4),
      inset 0 -30px 0 rgba(245, 105, 145, 0.4);
  }
}

@keyframes shadowdancing2 {
  0% {
    box-shadow: inset 20px 0 0 rgba(209, 242, 165, 0.4),
      inset 0 20px 0 rgba(239, 250, 180, 0.4),
      inset -20px 0 0 rgba(255, 196, 140, 0.4),
      inset 0 -20px 0 rgba(245, 105, 145, 0.4);
  }
  25% {
    box-shadow: inset 20px 0 0 rgba(245, 105, 145, 0.4),
      inset 0 20px 0 rgba(209, 242, 165, 0.4),
      inset -20px 0 0 rgba(239, 250, 180, 0.4),
      inset 0 -20px 0 rgba(255, 196, 140, 0.4);
  }
  50% {
    box-shadow: inset 20px 0 0 rgba(255, 196, 140, 0.4),
      inset 0 20px 0 rgba(245, 105, 145, 0.4),
      inset -20px 0 0 rgba(209, 242, 165, 0.4),
      inset 0 -20px 0 rgba(239, 250, 180, 0.4);
  }
  75% {
    box-shadow: inset 20px 0 0 rgba(239, 250, 180, 0.4),
      inset 0 20px 0 rgba(255, 196, 140, 0.4),
      inset -20px 0 0 rgba(245, 105, 145, 0.4),
      inset 0 -20px 0 rgba(209, 242, 165, 0.4);
  }
  100% {
    box-shadow: inset 20px 0 0 rgba(209, 242, 165, 0.4),
      inset 0 20px 0 rgba(239, 250, 180, 0.4),
      inset -20px 0 0 rgba(255, 196, 140, 0.4),
      inset 0 -20px 0 rgba(245, 105, 145, 0.4);
  }
}
@keyframes colordancing {
  0% {
    color: #d1f2a5;
  }
  25% {
    color: #f56991;
  }
  50% {
    color: #ffc48c;
  }
  75% {
    color: #effab4;
  }
  100% {
    color: #d1f2a5;
  }
}
@keyframes colordancing2 {
  0% {
    color: #ffc48c;
  }
  25% {
    color: #effab4;
  }
  50% {
    color: #d1f2a5;
  }
  75% {
    color: #f56991;
  }
  100% {
    color: #ffc48c;
  }
}