* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.header {
  text-align: center;
  padding: 32px;
}

.imageRow {
  display: -ms-flexbox; /* IE10 */
  display: flex;
  -ms-flex-wrap: wrap; /* IE10 */
  flex-wrap: wrap;
  padding: 0 4px;
}

/* Create 3 equal imageColumns that sits next to each other */
.imageColumn {
  -ms-flex: 33%; /* IE10 */
  flex: 33%;
  max-width: 33%;
  padding: 0 4px;
}

.imageColumn img {
  margin-top: 8px;
  vertical-align: middle;
  width: 100%;
}

/* Responsive layout - makes a two imageColumn-layout instead of four imageColumns */
@media screen and (max-width: 800px) {
  .imageColumn {
    -ms-flex: 50%;
    flex: 50%;
    max-width: 50%;
  }
}

/* Responsive layout - makes the two imageColumns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {
  .imageColumn {
    -ms-flex: 100%;
    flex: 100%;
    max-width: 100%;
  }
}

#msg {
	font-weight: bold;
	padding: 0.5em;
	border-radius: 0.5em;
	background-color: #f44336; /* Red */
	color: white;
	margin-bottom: 1em;
}


