body {
    width: 1200px;
    max-width: 100%;
    margin: auto;

}

img {
    vertical-align: middle;
    width: 100%;
}


.section {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease-out;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.content {
    max-width: 800px;
    text-align: center;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

p {
    font-size: 1.2rem;
    color: #666;
}


  .nam {
    position: relative;
    text-align: center;
  }

  .appear {
    max-width: 750px;
    position: fixed;
    bottom: 0;
    right: 0;
    left: 0;
    margin: 0 auto;
    width: 90%;
    z-index: 999;
  }
        


.expand {
    -webkit-animation-name: expand;
    -moz-animation-name: expand;
    -o-animation-name: expand;
    animation-name: expand;
    -webkit-animation-duration: 1.2s;
    -moz-animation-duration: 1.2s;
    -o-animation-duration: 1.2s;
    animation-duration: 1.2s;
    -webkit-animation-timing-function: ease-in-out;
    -moz-animation-timing-function: ease-in-out;
    -o-animation-timing-function: ease-in-out;
    animation-timing-function: ease-in-out;
    -webkit-animation-iteration-count: infinite;
    -o-animation-iteration-count: infinite;
    animation-iteration-count: infinite;
  }
  @-webkit-keyframes expand {
    from, 0% {
      -webkit-transform: scale(1);
      -ms-transform: scale(1);
      -o-transform: scale(1);
      transform: scale(1);
    }
    50% {
      -webkit-transform: scale(1.1);
      -ms-transform: scale(1.1);
      -o-transform: scale(1.1);
      transform: scale(1.1);
    }
    to, 100% {
      -webkit-transform: scale(1);
      -ms-transform: scale(1);
      -o-transform: scale(1);
      transform: scale(1);
    }
  }
  @keyframes expand {
    from, 0% {
      -webkit-transform: scale(1);
      -ms-transform: scale(1);
      -o-transform: scale(1);
      transform: scale(1);
    }
    50% {
      -webkit-transform: scale(1.1);
      -ms-transform: scale(1.1);
      -o-transform: scale(1.1);
      transform: scale(1.1);
    }
    to, 100% {
      -webkit-transform: scale(1);
      -ms-transform: scale(1);
      -o-transform: scale(1);
      transform: scale(1);
    }
  }