.btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 13rem;
    overflow: hidden;
    height: 3rem;
    background-size: 300% 300%;
    backdrop-filter: blur(1rem);
    border-radius: 5rem;
    transition: 0.5s;
    animation: gradient_301 5s ease infinite;
    border: double 4px transparent;
    background-image: linear-gradient(#e3c773c4, #fbde02a6), linear-gradient(137.48deg, #ffdb3b 10%, #ff9b17d7 45%, #f9ff41 67%, #feb200d7 87%);
    background-origin: border-box;
    background-clip: content-box, border-box;
  }
  
  #container-stars {
    position: absolute;
    z-index: -1;
    width: 100%;
    height: 100%;
    overflow: hidden;
    transition: 0.5s;
    backdrop-filter: blur(1rem);
    border-radius: 5rem;
  }
  
  strong {
    z-index: 2;
    font-family: 'Poppins' sans-serif;
    font-size: 16px;
    letter-spacing: 3px;
    color: #FFFFFF;
    text-shadow: 0 0 4px rgb(0, 0, 0);
  }
  
  #glow {
    position: absolute;
    display: flex;
    width: 12rem;
  }
  
  .circle {
    width: 100%;
    height: 30px;
    filter: blur(2rem);
    animation: pulse_3011 4s infinite;
    z-index: -1;
  }
  
  .circle:nth-of-type(1) {
    background: rgba(0, 0, 1860 0.936);
  }
  
  .circle:nth-of-type(2) {
    background: rgba(0, 0, 1860 0.936);
  }
  
  .btn:hover #container-stars {
    z-index: 1;
    background-color: #212121;
  }
  
  .btn:hover {
    transform: scale(1.1)
  }
  
  .btn:active {
    border: double 4px #ffb300;
    background-origin: border-box;
    background-clip: content-box, border-box;
    animation: none;
  }
  
  .btn:active .circle {
    background: #fef353;
  }
  
  #stars {
    position: relative;
    background: transparent;
    width: 200rem;
    height: 200rem;
  }
  
  #stars::after {
    content: "";
    position: absolute;
    top: -10rem;
    left: -100rem;
    width: 100%;
    height: 100%;
    animation: animStarRotate 90s linear infinite;
  }
  
  #stars::after {
    background-image: radial-gradient(#ffffff 1px, transparent 1%);
    background-size: 50px 50px;
  }
  
  #stars::before {
    content: "";
    position: absolute;
    top: 0;
    left: -50%;
    width: 170%;
    height: 500%;
    animation: animStar 60s linear infinite;
  }
  
  #stars::before {
    background-image: radial-gradient(#ffffff 1px, transparent 1%);
    background-size: 50px 50px;
    opacity: 0.5;
  }
  
  @keyframes animStar {
    from {
      transform: translateY(0);
    }
  
    to {
      transform: translateY(-135rem);
    }
  }
  
  @keyframes animStarRotate {
    from {
      transform: rotate(360deg);
    }
  
    to {
      transform: rotate(0);
    }
  }
  
  @keyframes gradient_301 {
    0% {
      background-position: 0% 50%;
    }
  
    50% {
      background-position: 100% 50%;
    }
  
    100% {
      background-position: 0% 50%;
    }
  }
  
  @keyframes pulse_3011 {
    0% {
      transform: scale(0.75);
      box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.7);
    }
  
    70% {
      transform: scale(1);
      box-shadow: 0 0 0 10px rgba(0, 0, 0, 0);
    }
  
    100% {
      transform: scale(0.75);
      box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
    }
  }