body {
  margin: 0;
  padding: 0;
}

.slide-1-2 {
  background-color: #EFF594;
  font-family: Arial, sans-serif;
  color: #230057;
  font-size: 30px;
  text-align: left;
  line-height: 45px;
  padding: 50px;
}

.slide-3-4 {
  background-color: #230057;
  font-family: Arial, sans-serif;
  color: #EFF594;
  font-size: 30px;
  text-align: left;
  line-height: 45px;
  padding: 50px;
}

.photo-container-1-1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 50px;
}

    .photo-container-1-1 img {
      width: 35%;
      height: auto;
      margin-bottom: 10px;
    }

    .photo-container-1-1 p {
      width: 80%;
      font-weight: bold;
      margin: 10px;
    }

.photo-container-1-3 {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 50px;
}

    .photo-container-1-3 img {
      width: 50%;
      height: auto;
      margin-bottom: 10px;
    }

    .photo-container-1-3 p {
      width: 80%;
      font-weight: bold;
      margin: 10px;
    }

.photo-container-2-4 {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 50px;
}

    .photo-container-2-4 img {
      width: 90%;
      height: auto;
      margin-bottom: 10px;
    }

    .photo-container-2-4 p {
      width: 90%;
      font-weight: bold;
      margin: 10px;
    }

.split-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

    .split-left-2,
    .split-right-2 {
      width: 50%;
    }

    .split-left-4,
    .split-center-4,
    .split-right-4 {
      width: 33.33%;
    }

.center-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80px;
  height: 80px;
  background-color: #4CAF50;
  border-radius: 50%;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

    .button:hover {
      background-color: #3e8e41;
    }

    .arrow-circle {
      width: 60px;
      height: 60px;
      background-color: #fff;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
    }

    .arrow {
      width: 0;
      height: 0;
      border-top: 20px solid transparent;
      border-bottom: 20px solid transparent;
      border-left: 30px solid #fff;
      transform: rotate(45deg);
    }
    .pulsate {
      animation: pulsate 2s ease-out;
      animation-iteration-count: infinite;
    }
    
    @keyframes pulsate {
      0% {
        transform: scale(1);
      }
      50% {
        transform: scale(1.1);
      }
      100% {
        transform: scale(1);
      }
    }