* {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
}

/* Style the header */
.header {
  background-color: #767676;
  padding: 30px;
  text-align: center;
  font-size: 35px;
  color: white;
}

/* unvisited link */
a:link {
  color: lightblue;
  text-decoration: none;
  font-family: Arial, sans-serif;
}

/* visited link */
a:visited {
  color: #092174;
  text-decoration: none;
}

/* mouse over link */
a:hover {
  color: black;
  background-color: lightgrey;
  text-decoration: underline;
}

/* selected link */
a:active {
  color: black;
  text-decoration: underline;
}

/* Container for flexboxes */
.row {
  display: -webkit-flex;
  display: flex;
}

/* Create three unequal columns that sits next to each other */
.column {
  padding: 10px;
  height: 300px; /* Should be removed. Only for demonstration */
}

/* Left and right column */
.column.side {
   -webkit-flex: 1;
   -ms-flex: 1;
   flex: 1;
}

/* Middle column */
.column.middle {
  -webkit-flex: 2;
  -ms-flex: 2;
  flex: 2;
}

/* Style the footer */
.footer {
position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  color: white;
  text-align: center;
  background-color: #767676;
  padding: 10px;
 }

/* Responsive layout - makes the three columns stack on top of each other instead of next to each other */
@media (max-width: 600px) {
  .row {
    -webkit-flex-direction: column;
    flex-direction: column;
  }
}


div.gallery {
  margin: 5px;
  border: 1px solid #ccc;
  float: left;
  width: 180px;
}

div.gallery:hover {
  border: 1px solid #777;
}

div.gallery img {
  width: 100%;
  height: auto;
}

div.desc {
  padding: 15px;
  text-align: center;
}