404style.css

body {
  background-color: #23c495;
  font-family: "Concert One", cursive;
  margin: 0;
  overflow: hidden;
  padding: 0;
}

/*/////////////////// rules */
/*___________________________________________________*/
/*//////////////////////////////////////////// scene */
.text {
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  color: rgba(19, 36, 44, 0.226);
  font-size: 30em;
  text-align: center;
  top: 50%;
}

.container {
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  height: 350px;
  width: 750px;
  transform: translate(-50%, -50%) scale(0.6);
}
.container .bg {
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(255, 220, 48, 0.2);
  border-radius: 50%;
  box-shadow: 0px 0px 0px 90px rgba(147, 41, 44, 0.1);
  height: 400px;
  opacity: 0.5;
  overflow: hidden;
  width: 400px;
}

.godzilla {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 350px;
  right: 0;
  width: 200px;
}
.godzilla .shadow {
  position: absolute;
  background-color: rgba(19, 36, 44, 0.2);
  border-radius: 20px;
  bottom: -5px;
  right: -10px;
  height: 10px;
  width: 290px;
}
.godzilla .back {
  position: absolute;
  background-color: #529b47;
  border-radius: 50%;
  box-shadow: 36px 18px 0 #529b47, 65px 50px 0 #529b47, 83px 90px 0 #529b47,
    87px 135px 0 #529b47;
  height: 30px;
  right: 80px;
  top: 120px;
  width: 30px;
}
.godzilla .shape {
  position: absolute;
  bottom: 0;
  height: 300px;
  overflow: hidden;
  width: 200px;
}
.godzilla .shape:after {
  position: absolute;
  background-color: #529b47;
  border-radius: 50%;
  content: "";
  height: 250px;
  left: -30%;
  top: 80px;
  width: 250px;
}
.godzilla .shape:before {
  position: absolute;
  background-color: #2a5424;
  border-radius: 50px 50px 0 0;
  bottom: 0;
  content: "";
  height: 40px;
  right: 0;
  width: 100px;
}
.godzilla .leg {
  position: absolute;
  background-color: #3d7734;
  border-radius: 50px 50px 0 0;
  bottom: 0;
  height: 110px;
  left: -30px;
  width: 100px;
}
.godzilla .leg:after,
.godzilla .leg:before {
  position: absolute;
  background-color: #2a5424;
  border-radius: 50px 50px 0 0;
  bottom: 0;
  content: "";
  height: 20px;
  width: 40px;
}
.godzilla .leg:after {
  left: -10px;
}
.godzilla .leg:before {
  left: 15px;
}
.godzilla .arm {
  position: absolute;
  background-color: #3d7734;
  border-radius: 80px;
  height: 80px;
  right: 110px;
  top: 170px;
  width: 150px;
}
.godzilla .arm:after {
  position: absolute;
  background-color: #3d7734;
  border-radius: 50%;
  bottom: 0;
  content: "";
  height: 85px;
  left: -5px;
  width: 85px;
}
.godzilla .arm:before {
  position: absolute;
  background-color: #3d7734;
  border-radius: 30px;
  content: "";
  height: 30px;
  left: -15px;
  top: -5px;
  width: 60px;
}
.godzilla .head {
  position: absolute;
  background-color: #529b47;
  border-radius: 50%;
  height: 120px;
  left: -40px;
  top: 60px;
  width: 120px;
}
.godzilla .head:after {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: #ffdc30;
  border-radius: 50%;
  content: "";
  height: 20px;
  left: 20px;
  width: 20px;
}

.bigrobot {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  height: 350px;
  left: 0;
  width: 200px;
}
.bigrobot .shadow {
  position: absolute;
  background-color: rgba(19, 36, 44, 0.2);
  border-radius: 20px;
  bottom: -5px;
  left: 10px;
  height: 10px;
  width: 270px;
}
.bigrobot .back {
  position: absolute;
  background-color: #4c4c4c;
  border-radius: 10px 50px 0 50px;
  height: 180px;
  left: 60px;
  top: 100px;
  transform: rotate(-20deg);
  width: 80px;
}
.bigrobot #back2 {
  background-color: #b23c3c;
  left: 70px;
  top: 70px;
}
.bigrobot .shape {
  position: absolute;
  bottom: 0;
  height: 300px;
  overflow: hidden;
  width: 200px;
}
.bigrobot .shape:after {
  position: absolute;
  background-color: #707070;
  border-radius: 50%;
  content: "";
  height: 250px;
  right: -30%;
  top: 80px;
  width: 250px;
}
.bigrobot .leg {
  position: absolute;
  background-color: #4c4c4c;
  border-radius: 50px 50px 0 0;
  bottom: 0;
  height: 110px;
  right: -30px;
  width: 100px;
}
.bigrobot .leg:after,
.bigrobot .leg:before {
  position: absolute;
  background-color: #b23c3c;
  border-radius: 0 50px 0 0;
  bottom: 0;
  content: "";
  height: 20px;
  right: -10px;
  width: 110px;
}
.bigrobot .arm {
  position: absolute;
  background-color: #4c4c4c;
  border-radius: 80px;
  height: 80px;
  left: 110px;
  top: 170px;
  width: 150px;
}
.bigrobot .arm:after {
  position: absolute;
  background-color: #4c4c4c;
  border-radius: 50%;
  bottom: 0;
  content: "";
  height: 85px;
  right: -5px;
  width: 85px;
}
.bigrobot .arm:before {
  position: absolute;
  background-color: #4c4c4c;
  border-radius: 30px;
  content: "";
  height: 30px;
  right: -15px;
  top: -5px;
  width: 60px;
}
.bigrobot .head {
  position: absolute;
  background-color: #707070;
  border-radius: 50%;
  height: 120px;
  right: -40px;
  overflow: hidden;
  top: 60px;
  width: 120px;
}
.bigrobot .head:after {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: #ffdc30;
  border-radius: 50px;
  content: "";
  height: 20px;
  right: -20px;
  width: 70px;
}

.skyscraper-shadow {
  position: absolute;
  background-color: rgba(19, 36, 44, 0.2);
  border-radius: 20px;
  bottom: -5px;
  height: 10px;
  left: 300px;
  width: 150px;
}

.skyscraper-box {
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  bottom: 0;
  height: 300px;
  overflow: hidden;
  width: 250px;
}
.skyscraper-box .skyscraper {
  position: absolute;
  background-color: #999999;
  border-radius: 5px 5px 0 0;
  bottom: 0;
  height: 250px;
  left: calc(50% - 60px);
  top: 80px;
  transform: rotate(11deg);
  transform-origin: 60px 250px;
  width: 120px;
}
.skyscraper-box .skyscraper:after {
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  background-color: #707070;
  border-radius: 5px 5px 0 0;
  content: "";
  height: 50px;
  top: -50px;
  width: 90px;
}
.skyscraper-box .skyscraper:before {
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  background-color: #999999;
  border-radius: 50% 50% 0 0;
  content: "";
  height: 50px;
  top: -75px;
  width: 50px;
}
.skyscraper-box .skyscraper .window {
  position: absolute;
  background-color: #bababa;
  border-radius: 2px;
  box-shadow: 20px 0 #bababa, 40px 0 #bababa, 60px 0 #bababa, 80px 0 #bababa,
    0 30px #bababa, 20px 30px #bababa, 40px 30px #bababa, 60px 30px #bababa,
    80px 30px #bababa, 0 60px #bababa, 20px 60px #bababa, 40px 60px #bababa,
    60px 60px #bababa, 80px 60px #bababa, 0 90px #bababa, 20px 90px #bababa,
    40px 90px #bababa, 60px 90px #bababa, 80px 90px #bababa, 0 120px #bababa,
    20px 120px #bababa, 40px 120px #bababa, 60px 120px #bababa,
    80px 120px #bababa, 0 150px #bababa, 20px 150px #bababa, 40px 150px #bababa,
    60px 150px #bababa, 80px 150px #bababa;
  height: 20px;
  left: 15px;
  top: 15px;
  width: 10px;
}

/*___________________________________________________*/
/*//////////////////////////////////////// animation */
.godzilla .arm {
  animation: arm-anima infinite 2s ease-in-out;
}
.godzilla .head {
  animation: head-anima infinite 2s ease-in-out;
}

.bigrobot .arm {
  animation: arm-anima infinite 2s ease-in-out;
  animation-delay: 1s;
}
.bigrobot .head {
  animation: head-anima infinite 2s ease-in-out;
  animation-delay: 1s;
}

@keyframes arm-anima {
  0% {
    width: 150px;
  }
  47% {
    width: 225px;
  }
  70% {
    width: 150px;
  }
}
@keyframes head-anima {
  0% {
    top: 60px;
  }
  47% {
    top: 80px;
  }
  70% {
    top: 60px;
  }
}
.skyscraper {
  animation: skyscraper-anima infinite 2s ease-in-out;
}
@keyframes skyscraper-anima {
  0% {
    transform: rotate(11deg);
  }
  50% {
    transform: rotate(-11deg);
  }
}
/*/////////////////////// credit ////*/
#link {
  top: 10%;
  color: #000;
  opacity: 0.7;
  display: flex;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
#link p {
  font-size: 05em;
  margin: 0;
  margin-left: 5px;
}
#link:hover {
  opacity: 1;
}
/*/////////////////////// credit ////*/
#link2 {
  top: 50%;
  color: #13242c;
  opacity: 0.3;
  display: flex;
  align-items: center;
  position: absolute;
  right: 5%;
  transform: translateX(-50%);
}

#link2 p {
  margin: 0;
  margin-left: 5px;
}

#link2:hover {
  opacity: 1;
}