Animación de interfaz flotante CSS

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HTML

CSS

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background-color: #000;
  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: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 50%;
  overflow: hidden;
  background-color: #000;
}

/* Interface Flutuante */
.interface {
  position: relative;
  width: 200px;
  height: 100px;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  color: #FFF;
  animation: float 5s ease-in-out infinite;

}

.interface::after,
.interface::before {
  content: "";
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  background-color: rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  animation: pulsate 2s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0) rotate0deg;
  }
  50% {
    transform: translateY(5px) rotate(10deg);
  }
  100% {
    transform: translateY(0) rotate(0deg);
  }
}

@keyframes pulsate {
  0% {
    transform: scale(1);
    opacity: 1;
  }

100% {
    transform: scale(1.2);
    opacity: 0.5;
  }
}