body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #0d0d0d;
    color: #ffffff;

    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }

  header {
    padding: 2rem;
    text-align: center;
    font-size: 2rem;
    font-weight: bold;
  }

  @media (min-width: 768px) {
    .content {
      max-width: 700px;
      margin: auto;
      padding: 2rem;
      position: relative;
      z-index: 2;
      flex-grow: 1;
    }
  }

  @media (max-width: 800px) {
    .content {
      max-width: 350px;
      margin: auto;
      padding: 1rem;
      position: relative;
      z-index: 1;
      flex-grow: 1;
    }
  }


  .post {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
  }

  .post h2 {
    margin-top: 0;
  }

  .background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    overflow: hidden; 
  }

  .cube {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: floatCube 10s infinite ease-in-out, colorChange 5s infinite alternate;
  }

  @keyframes floatCube {
    0% {
      transform: translateY(100vh) rotate(0deg);
    }
    100% {
      transform: translateY(-100vh) rotate(360deg);
    }
  }

  @keyframes colorChange {
    0% {
      background-color: rgba(255, 255, 255, 0.05);
      border-color: rgba(255, 255, 255, 0.1);
    }
    25% {
      background-color: rgba(0, 255, 255, 0.1);
      border-color: rgba(0, 255, 255, 0.2);
    }
    50% {
      background-color: rgba(255, 0, 255, 0.1);
      border-color: rgba(255, 0, 255, 0.2);
    }
    75% {
      background-color: rgba(255, 255, 0, 0.1);
      border-color: rgba(255, 255, 0, 0.2);
    }
    100% {
      background-color: rgba(0, 255, 0, 0.1);
      border-color: rgba(0, 255, 0, 0.2);
    }
  }

  footer {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    text-align: center;
    backdrop-filter: blur(10px);
  }