* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: sans-serif;
    background-image: url("./Bildmapp/Norrsken.jpg");
    background-color: #101e21;
    height: 500px;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
  }

  .omslag {
    position: absolute;
    top: 35%;
    height: 200px;
    width: 300px;
    background-color: #c93737;
    position: relative;
    display: flex;
    justify-content: center;
    z-index: 0;
  }
  
  .flarp {
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    border-right: 150px solid transparent;
    border-bottom: 100px solid transparent;
    border-left: 150px solid transparent;
    transform-origin: top;
    transition: transform 0.25s linear;
  }
  
  
  .flarp.oppen {
    border-top: 100px solid rgb(243, 34, 76);
    transform: rotateX(0deg);
    z-index: 3;
    transition-delay: 0.75s;
  }
  
  
  .flarp.stangd {
    border-top: 100px solid #c93737;
    transform: rotateX(90deg);
    z-index: 1;
    transition-delay: 0.5s;
  }
  
  .kuvert {
    position: absolute;
    height: 100%;
    width: 100%;
    top: 0;
    left: 0;
    border-top: 100px solid transparent;
    border-right: 150px solid rgb(220, 20, 60);
    border-bottom: 100px solid rgb(193, 13, 49);
    border-left: 150px solid rgb(158, 7, 37);
    z-index: 3;
  }
  
  .brev {
    position: absolute;
    top: 0;
    width: 80%;
    height: 80%;
    background-color: #F5F5DC;
    border-radius: 1px;
    z-index: 2;
    transition: 0.5s;
  }
  
  .brev p {
    text-align: center;
    font-family: 'Brush Script MT';
    font-size: 30px;
    margin-top: 30px;
    color: #3B4049;
  }
  
  .omslag:hover .flarp.oppen {
      transform: rotateX(90deg);
      transition-delay: 0s;
  }
  
  .omslag:hover .flarp.stangd {
      transform: rotateX(180deg);
      transition-delay: 0.25s;
  }
  
  .omslag:hover .brev {
    transform: translateY(-50px);
    transition-delay: 0.5s;
  }