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

html {
  background: #1a1a1a;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  overflow: hidden;
  color: #1a1a1a;
}
html:after,
html:before {
  content: "404";
  position: absolute;
  font-size: 100px;
  left: 0;
  right: 0;
  text-align: center;
  bottom: 340px;
  font-weight: 600;
  z-index: 200;
}
html:before {
  content: "Page Not Found";
  font-size: 22px;
  font-weight: 400;
  bottom: 330px;
}

head {
  display: block;
  width: 35px;
  height: 140px;
  background: #646464;
  border-bottom: 10px solid #333;
  margin: auto;
  transform-origin: 50% 100%;
  -webkit-animation: 5s find linear infinite;
  animation: 5s find linear infinite;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
}
head:after {
  content: "";
  position: absolute;
  border-style: solid;
  border-width: 25px 25px 0 25px;
  border-color: #333 transparent transparent transparent;
  width: 85px;
  left: -25px;
  top: 0;
  box-shadow: 0px -10px 0 #feaf33;
}
head:before {
  content: "";
  position: absolute;
  width: 8px;
  height: 15px;
  background: #feaf33;
  left: 0;
  right: 0;
  margin: auto;
  top: 40px;
  border-radius: 6px;
  box-shadow: 0px 0 1px 2px #333;
}

meta {
  display: block;
  width: 250px;
  height: 200px;
  background: #fffee2;
  border-radius: 50%;
  position: absolute;
  left: -107px;
  bottom: 270px;
  margin: auto;
  text-align: center;
  color: #333;
  font-size: 90px;
  line-height: 200px;
  font-weight: 600;
}
meta:after {
  content: "";
  position: absolute;
  border-style: solid;
  border-width: 190px 75px 0 75px;
  border-color: rgba(255, 254, 226, 0.3) transparent transparent transparent;
  width: 230px;
  left: 10px;
  top: 100%;
  transform: translateY(-60px);
}
@-webkit-keyframes find {
  25% {
    transform: rotate(25deg);
  }
  0%,
  50%,
  100% {
    transform: rotate(0deg);
  }
  75% {
    transform: rotate(-25deg);
  }
}
@keyframes find {
  25% {
    transform: rotate(25deg);
  }
  0%,
  50%,
  100% {
    transform: rotate(0deg);
  }
  75% {
    transform: rotate(-25deg);
  }
}