Webleb - Snippet di Codice - Errore CSS 404 Animazione

/* Foundation CSS */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      background: url("./thumb.jpg") no-repeat center center;
      background-size: cover;
      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: 25%;
      max-width: 75%;
      width: 75%;
      height: 25%;
      top:15%;
      overflow-y: hidden;
      box-shadow: -8px 10px 18px rgba(0, 0, 0, 0.55);
    }
    
    .selector       { color: #F92672; }
    .property       { color: #66D9EF; }
    .value-number   { color: #AE81FF; }
    .value-string   { color: #E6DB74; }
    .value-color    { color: #A6E22E; }
    .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;
    }
    
    .loading-element {
      position: relative;
      width: 100px;
      height: 100px;
      background: #f2c464;
      border-radius: 50%;
      animation: loading-animation 1s linear infinite;
    }
    
    @keyframes loading-animation {
      0% {
        transform: scale(1);
      }
      
      50% {
        transform: scale(1.2);
        box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
      }
      
      100% {
        transform: scale(1);
        box-shadow: none;
      }
    }
    
    .error-message {
      position: relative;
      z-index: 10;
      font-size: 30px;
      color: #f2c464;
    }
    
    .error-message::before {
      content: "";
      position: absolute;
      top: -20px;
      left: -10px;
      width: 50px;
      height: 20px;
      background: #f2c464;
      clip-path: polygon(50% 0, 100% 100%, 0 100%);
    }
    
    .error-message::after {
      content: "";
      position: absolute;
      top: 20px;
      left: -10px;
      width: 50px;
      height: 20px;
      background: #f2c464;
      clip-path: polygon(0 0, 0 100%, 50% 100%);
    }
    
    /* Descrição: Este código simula um erro que ecoa na tela, representando a luta contínua com o debugging. */

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