Animated 404 Error Page with Heart & Particles

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* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background-color: #141C26; /* Tons de preto para combinar com a estética digital */
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
}
.codigo {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background: #272822;
  color: #F8F8F2;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 18px;
  padding: 20px;
  border-radius: 8px;
  white-space: pre-line;
  text-align: left;
  line-height: 1.6;
  max-height: 50%;
  width: 100%;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}
.selector       { color: #F92672; } .property       { color: #66D9EF; } .value-number   { color: #AE81FF; } .value-string   { color: #E6DB74; } .value-color    { color: #A6E22E; } .brace          { color: #F8F8F2; } .comment        { color: #75715E; } .function       { color: #A6E22E; }
.animation-container {
  position: absolute;
  top: 75%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 50%;
  overflow: hidden;
  background:transparent;
}

.heart {
  position: absolute;
  width: 0;
  height: 0;
  border-top: 40px solid transparent;
  border-bottom: 40px solid transparent;
  border-left: 80px solid #F82672; /* Cor vermelha vibrante */
  animation: heartbeat 2s linear infinite; 
}
@keyframes heartbeat {
  0% {
    transform: scale(1); opacity: 1;
  }
  50% {
    transform: scale(1.2) rotate(10deg); opacity: 0.3; 
  }
  100% {
    transform: scale(1); opacity: 1;
  }
}

.error-message {
  font-family: 'Arial', sans-serif;
  font-size: 32px;
  color: #F92672;
  position: absolute; 
  transform: rotate(-15deg);
  opacity: 0;
  animation: fade-in 0.5s ease-in-out forwards;
}

.particle {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: #F8F8F2; 
  border-radius: 50%;
  animation: pulsate 1.5s ease-in-out infinite; 
}
@keyframes pulsate {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1); 
  }
}

Animated 404 Error Page with Heart & Particles

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