h1 {
    font-size: 50px;
    word-break: break-all;
}

.row {
    margin: 8px -16px;
}

/* Add padding BETWEEN each column (if you want) */
.row,
.row > .column {
    padding: 8px;
}

/* Create three equal columns that floats next to each other */
.column {
    float: left;
    display: none; /* Hide columns by default */
}

/* Clear floats after rows */ 
.row:after {
    content: "";
    display: table;
    clear: both;
}

/* Content */
.content {
    background-color: white;
    padding: 10px;
}

#gallery-img
{
    width:300px;
    height:300px;
}
}

/* The "show" class is added to the filtered elements */
.show {
    display: block;
}

/* Style the buttons */
.btn {
  border: none;
  outline: none;
  padding: 12px 16px;
  background-color: white;
  cursor: pointer;
}

/* Add a grey background color on mouse-over */
.btn:hover {
  background-color: #ddd;
}

/* Add a dark background color to the active button */
.btn.active {
  background-color: #666;
   color: white;
}