* {
    box-sizing: border-box;
  }
  
  
  .header {
    text-align: center;
    margin-top: 60px;
  }

  main{
    padding: 2vh;
  }

  img{
    transition: transform .2s;
    }
    
    img:hover{
    transform: scale(1.5);
    }

  #gallery {
    line-height:0;
    -webkit-column-count:5;
    -webkit-column-gap:5px; 
    -moz-column-count:5;
    -moz-column-gap:5px;
    column-count:5;
    column-gap:5px;
 }

 #gallery img {
  width: 100% !important;
  height: auto !important;
  margin-bottom:5px;
}
  
  .footer-main{
    position: relative;
}


@media (max-width: 1200px) {
  #gallery {
   -moz-column-count:    4;
   -webkit-column-count: 4;
   column-count:         4;
  }
}

@media (max-width: 1000px) {
  #gallery {
   -moz-column-count:    3;
   -webkit-column-count: 3;
   column-count:         3;
  }
}

@media (max-width: 800px) {
  #gallery {
   -moz-column-count:    2;
   -webkit-column-count: 2;
   column-count:         2;
  }
}

@media (max-width: 400px) {
  #gallery {
   -moz-column-count:    1;
   -webkit-column-count: 1;
   column-count:         1;
  }
}