style.css

body {
    background-color: #F6F2F2;
  }
  .hello {
    opacity: 1 !important;
  }
  .full {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: auto;
  }
  .full .content {
    background-color: rgba(0,0,0,0.75) !important;
    height: 100%;
    width: 100%;
    display: grid;
  }
  .full .content img {
    left: 50%;
    transform: translate3d(0, 0, 0);
    animation: zoomin 1s ease;
    max-width: 100%;
    max-height: 100%;
    margin: auto;
  }
  .byebye {
    opacity: 0;
  }
  .byebye:hover {
    transform: scale(0.2) !important;
  }
  .gallery {
    display: grid;
    grid-column-gap: 8px;
    grid-row-gap: 8px;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    grid-auto-rows: 8px;
  }
  .gallery img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: 0 0 16px #333;
    transition: all 1.5s ease;
  }
  .gallery img:hover {
    box-shadow: 0 0 32px #333;
  }
  .gallery .content {
    padding: 4px;
  }
  .gallery .gallery-item {
    transition: grid-row-start 300ms linear;
    transition: transform 300ms ease;
    transition: all 0.5s ease;
    cursor: pointer;
  }
  .gallery .gallery-item:hover {
    transform: scale(1.025);
  }
  @media (max-width: 600px) {
    .gallery {
      grid-template-columns: repeat(auto-fill, minmax(30%, 1fr));
    }
  }
  @media (max-width: 400px) {
    .gallery {
      grid-template-columns: repeat(auto-fill, minmax(50%, 1fr));
    }
  }
  
  .header {
    font-family: 'Jomhuria', cursive;
    font-size: 2rem;
    
    background-color: #85FFBD;
background-image: linear-gradient(45deg, #85FFBD 0%, #FFFB7D 100%);

    border-radius: 25px;
  }

  .heading {
    font-family: 'Indie Flower', cursive;
    font-size: 4rem;
    margin: 0;
  }

  .center {
    text-align: center;
    
    margin-left: auto;
    margin-right: auto;
    width: 100%;
  }