Exemples de menus déroulants CSS animés

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12 June 2025

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HTML

<body>
 
  <div class="animation-container">
    <div class="dropdown">
      <span class="dropdown-link">Feeling Inadequate</span>
      <ul class="dropdown-menu">
        <li class="dropdown-item">Didn't meet expectations again</li>
        <li class="dropdown-item">Perceived as less competent</li>
        <li class="dropdown-item">Second-guessing every decision</li>
        <li class="dropdown-item" style="animation-delay: 0.2s;">Not good enough</li>
        <li class="dropdown-item" style="animation-delay: 0.4s;">Always strive for more</li>
      </ul>
    </div>
    <div class="dropdown">
      <span class="dropdown-link">Should Have Known Better</span>
      <ul class="dropdown-menu">
        <li class="dropdown-item">Missed a crucial detail</li>
        <li class="dropdown-item">Allowed a preventable error to happen</li>
        <li class="dropdown-item">Struggled to learn from past mistakes</li>
        <li class="dropdown-item" style="animation-delay: 0.2s;">Beginner's mind, forever?</li>
        <li class="dropdown-item" style="animation-delay: 0.4s;">Never quite feeling prepared</li>
      </ul>
    </div>
    
  </div>

</body>

CSS

* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

body {
      background-color: #333333;
      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%;
      min-width: 100%;
      width: 100%;
      overflow-y: auto;
      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%);
      width: 100%;
      height: 50%;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      overflow: hidden;
      background: transparent;
      animation: friday_ui-loop 5s infinite linear;
    }
    @keyframes friday_ui-loop {
      0% {
        opacity: 0; 
      }
      100% {
        opacity: 1;
      }
    }