body {
	background-color: #000;
	color: #888;
	font-family: Helvetica;
	line-height: 26px;
}
		

.centerImage {
 text-align:center;
 display:block;
 width: 100%;
 margin-top: 0;
}

.centerPreview {
 text-align:center;
 display:block;
 max-width: 100%;
 margin-left: auto;
 margin-right:auto;
 margin-top: 15px;
}

.backButton {
 width: 20%;
 margin-top: 50px;
}

.row {
  display: flex;
  margin-top: 20px;
}

.column {
  flex: 25%;
  padding: 5px;
} 		

@media (max-width: 1000px) {
   .row {
     text-align:center;
     display:block;
     width:50%;
     margin-top: 20px;
     margin-left:25%;

}

   .column {
    flex:25%;
    padding: 5px; 
   }
}



#gallery {
   line-height:0;
   -webkit-column-count:5; /* split it into 5 columns */
   -webkit-column-gap:5px; /* give it a 5px gap between columns */
   -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; /* to match column gap */
}

@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;
   }
}