html {
    scroll-behavior: smooth;
}

/* 그라데이션 애니메이션 */
.green_bg_gradation {
    position: relative;
    height:100%;
    overflow: hidden;
}
.green_bg_gradation::before {
    content: "";
    z-index: 0;
    position: absolute;
    top: -50%; right: -50%; bottom: -50%; left: -50%;
    background: linear-gradient(0deg, rgb(39, 233, 152) 0%, rgb(9, 155, 128) 100%);
    transform-origin: center;
    animation: rotateBackground 3s linear infinite;
    scale: 2;
  }
  
  @keyframes rotateBackground {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(360deg);
    }
  }