.is-scattered .card:nth-of-type(3n+1) {
    transform-origin: 10% 90%;
    transform: rotateZ(-3deg) translate3d(0, 0, 0);
  }
  .is-scattered .card:nth-of-type(3n+2) {
    transform-origin: 80% 20%;
    transform: rotateZ(2deg) translate3d(0, 0, 0);
  }
  .is-scattered .card:nth-of-type(3n+3) {
    transform-origin: 50% 50%;
    transform: rotateZ(-5deg) translate3d(0, 0, 0);
  }
  
  .is-offscreen--r {
    transform: translate(1000px, 0) rotateZ(30deg) !important;
  }
  
  .is-offscreen--l {
    transform: translate(-1000px, 0) rotateZ(-20deg) !important;
  }
  
  body, html {
    height: 100%;
    margin: 0;
  }
  
  .deck {
    position: relative;
    width: 300px;
    height: 200px;
  }
  
  .card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    box-shadow: 0 2px 8px -2px rgba(0, 0, 0, 0.5);
    transition: all 0.5s ease-in-out;
  }
  
  .body-message {
    color: #999;
    text-align: center;
    margin-top: 5em;
    margin-left: auto;
    margin-right: auto;
  }
  
  .card-header {
    color: #333;
    font-size: 1rem;
    line-height: 1rem;
    padding: 1rem 1rem 0 1rem;
  }
  
  .card-body {
    padding: 1rem;
    font-size: 0.7rem;
  }
  
  .card-footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 1rem;
    font-size: 0.5rem;
    text-align: center;
    padding-bottom: 1rem;
    color: lighten(#333, 50%);
  }

  
  .hide-body .card-body {
    opacity: 0;
    height: 0;
    overflow: hidden;
  }
  
  .show-body .card-body {
    opacity: 1;
  }

  .button-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
  }
  
  .add-card-button, .remove-card-button, .reveal-answer-button {
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    border-radius: 0.375rem; 
    font-size: 0.875rem; 
    font-weight: 500; 
    background-color: black; 
    color: white; 
    padding: 0.5rem 1rem; 
    transition: background-color 0.2s ease-in-out; 
  }
  .add-card-button:hover {
    background-color: rgba(0, 0, 0, 0.9); 
  }
  
  .remove-card-button {
    background-color: black; 
  }
  
  .reveal-answer-button {
    background-color: #2196F3; 
  }
  

  .background-gradient{
    background-color: #fff;
    background-image:  radial-gradient(
      at 21% 11%,
      rgba(186, 186, 233, 0.53) 0,
      transparent 50%
    ),
    radial-gradient(at 85% 0, hsla(46, 57%, 78%, 0.52) 0, transparent 50%),
    radial-gradient(at 91% 36%, rgba(194, 213, 255, 0.68) 0, transparent 50%),
    radial-gradient(at 8% 40%, rgba(251, 218, 239, 0.46) 0, transparent 50%);;
  }
  

button:hover {
    background-color: black; 
    transform: scale(1.05); 
}