body{
    background-color: black;
}

.card {
  margin-top: 100px;
    width: 320px;
    height: 350px;
    padding: 20px;
    color: white;
    background: linear-gradient(#212121, #212121) padding-box,
                linear-gradient(145deg, transparent 35%,#e81cff, #40c9ff) border-box;
    border: 2px solid transparent;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transform-origin: right bottom;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
  }
  
  .card .main-content {
    flex: 1;
  }
  
  .card .header span:first-child {
    font-weight: 600;
    color: #717171;
    margin-right: 4px;
  }
  
  .card .heading {
    font-size: 24px;
    margin: 24px 0 16px;
    font-weight: 600;
  }
  
  .card .categories {
    
    gap: 8px;
  }
  
  .card .categories span {
    background-color: #e81cff;
    padding: 4px 8px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    border-radius: 50em;
  }
  
  .card .footer {
    font-weight: 600;
    color: #717171;
    margin-right: 4px;
  }
  
  .card:hover {
    rotate: 8deg;
  }


  ul {
    list-style-type: none;
    margin: 0;
    margin-bottom: auto;
    padding: 0;
    overflow: hidden;
    background-color: #333;
    position: fixed;
    top: 0;
    width: 100%;
  }
  
  li {
    float: left;
  }
  
  li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    border-radius: 30px;
  }
  
  li a:hover:not(.active) {
    background-color: #111;
  }
  
  .active {
    background-color: #04AA6D;
  }