.btn-container {
    display: none;
    visibility: hidden;
    width: 100%;
  }

  @media (max-width: 550px) {
    .btn-container {
      display: block;
      visibility: visible;
      width: 100%;
      padding: 6px 8px;
      box-sizing: border-box;
    }

    .btn-container a {
      position: relative;
      display: block;
      width: 100%;
      padding: 13px 10px;
      box-sizing: border-box;
      overflow: hidden;

      background: linear-gradient(
        135deg,
        #ff9800,
        #ffc107,
        #ffb300
      );

      border: 2px solid #ffe082;
      border-radius: 8px;

      color: #242424;
      font-size: 17px;
      font-weight: 800;
      line-height: 1.4;
      text-align: center;
      text-decoration: none;

      text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);

      box-shadow:
        0 0 10px rgba(255, 193, 7, 0.8),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    }

    .btn-container a::before {
      content: "";
      position: absolute;
      top: 0;
      left: -120%;
      width: 70%;
      height: 100%;

      background: linear-gradient(
        110deg,
        transparent 0%,
        rgba(255, 255, 255, 0.15) 30%,
        rgba(255, 255, 255, 0.85) 50%,
        rgba(255, 255, 255, 0.15) 70%,
        transparent 100%
      );

      transform: skewX(-20deg);
      animation: amberRunningLight 2.2s linear infinite;
      pointer-events: none;
    }

    .btn-container a:active {
      transform: scale(0.98);
    }
  }

  @keyframes amberRunningLight {
    0% {
      left: -120%;
    }

    60%,
    100% {
      left: 140%;
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .btn-container a::before {
      animation: none;
    }
  }